{"introPage":{"showIntroPage":false,"startButtonText":"Start Quiz","introduction":""},"progressType":"dots","passPercentage":50,"disableBackwardsNavigation":false,"randomQuestions":false,"endGame":{"showResultPage":true,"showSolutionButton":true,"showRetryButton":true,"noResultMessage":"Finished","message":"Your result:","scoreBarLabel":"You got @finals out of @totals points","overallFeedback":[{"from":0,"to":100}],"solutionButtonText":"Show solution","retryButtonText":"Retry","finishButtonText":"Finish","submitButtonText":"Submit","showAnimations":false,"skippable":false,"skipButtonText":"Skip video"},"override":{"checkButton":true},"texts":{"prevButton":"Previous question","nextButton":"Next question","finishButton":"Finish","submitButton":"Submit","textualProgress":"Question: @current of @total questions","jumpToQuestion":"Question %d of %total","questionLabel":"Question","readSpeakerProgress":"Question @current of @total","unansweredText":"Unanswered","answeredText":"Answered","currentQuestionText":"Current question","navigationLabel":"Questions"},"questions":[{"library":"H5P.MultiChoice 1.16","params":{"question":"

A circle has its center at (3, -27). It is tangent to the line 3x + 4y \u2013 26 = 0. Locate the point of tangency.<\/p>\n","answers":[{"text":"(-7, 18)","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"(6, 2)","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"(2, 6)","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"(18, -7)","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"39388414-a75a-4d87-8160-fe75f864b2e6","metadata":{"contentType":"Multiple Choice","license":"U","title":"A circle has its center at (3, -27). It is tangent to the line 3x + 4y \u2013 26 = 0."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"

Samuel Pepys wrote Isaac Newton to ask which of three events is more likely: that a person get (a) at least 1 six when 6 dice are rolled, (b) at least two sixes when 12 dice are rolled, or (c) at least 3 sixes when 18 dice are rolled. What is the answer?<\/p>\n","answers":[{"text":"Pepys will do better with 18-dice wager than 6 or 12","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"Pepys will do better with 12-dice wager than 6 or 18","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"Pepys will do better with 6 dice wager than 12 or 18","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"None of the above","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":false,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"6480c53a-7d22-4ab5-81ec-8ef91706d2fc","metadata":{"contentType":"Multiple Choice","license":"U","title":"Samuel Pepys wrote Isaac Newton to ask which of three events is more likely..."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"

From point A on level ground, the angles of elevation of the top D and bottom B of a flagpole situated on the of a hill are measured as 47\u00b054' and 39\u00b045'. Find the height of the hill if the height of the flagpole is 115.5 ft.<\/p>\n","answers":[{"text":"

334.28 ft<\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"

394.28 ft<\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"

349.28 ft<\/div>\n","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"

344.28 ft<\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"b6e13098-7df8-4312-ad02-865a61b70d8a","metadata":{"contentType":"Multiple Choice","license":"U","title":"From point A on level ground, the angles of elevation of the top D and bottom B of..."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"

The top of the tower signal at B 2000 m away from A was sighted through a transit with recorded vertical angle of 3\u00b030'. The height of the mast is 12 m and the HI of the transit above the point where it is set is 1.10 m with elevation 133.3 m. What is the elevation of the base of the signal B.<\/p>\n","answers":[{"text":"245.204m","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"245.025m","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"244.995m","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"244.178m","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"c1ea5b73-812c-4046-86f5-0a84dd4e7d67","metadata":{"contentType":"Multiple Choice","license":"U","title":"The top of the tower signal at B 2000 m away from A was sighted through a transit with ..."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"

What time between 2 and 3 o'clock will the angle between the hands of the clock be bisected by the line connecting the center of the clock and the 3 o'clock mark?<\/p>\n","answers":[{"text":"

2:17:56.3<\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"

2:19:03.1<\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"

22:16:00.0<\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"

2:18:27.6<\/div>\n","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"aed7d5e9-5709-4be6-bd22-79021c4836d5","metadata":{"contentType":"Multiple Choice","license":"U","title":"What time between 2 and 3 o'clock will the angle between the hands of the clock be ..."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"

From where he stands, one step toward the cliff would send the drunken man over the edge. He takes random steps, either toward or away from the cliff. At any step his probability of taking a step away is 2\/3, of a step toward the cliff 1\/3. What is his chance of escaping the cliff?<\/p>\n","answers":[{"text":"11\/27","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"1\/2","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"2\/27","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"107\/243","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"c833c243-b4e5-4653-a670-a0e5f185a9ae","metadata":{"contentType":"Multiple Choice","license":"U","title":"From where he stands, one step toward the cliff would send the drunken man over the edge."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"

A person buys a piece of property for P100,000 down payment and ten deferred semi-annual payments of P8,000 each starting three years from now. What is the present worth of the investment if the rate of interest is 12 percent compounded semi-annually?<\/p>\n","answers":[{"text":"P144,000","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"P152,000","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"P180,000","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"P200,000","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"a249ad9d-788f-46be-995d-55acaca3f080","metadata":{"contentType":"Multiple Choice","license":"U","title":"A person buys a piece of property for P100,000 down payment and ten deferred semi-annual payments of ..."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"

Find the angle between 2x - y + z = 10 and x + y + 2z = 11.<\/p>\n","answers":[{"text":"0\u00b0","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"30\u00b0","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"60\u00b0","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"90\u00b0","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"ff4bd8b6-7564-47ef-9a94-1e7970b46897","metadata":{"contentType":"Multiple Choice","license":"U","title":"Find the angle between 2x - y + z = 10 and x + y + 2z = 11."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"

The two sides of a triangle are 25 cm and 26 cm, while the altitude to the third side is 24 cm. Find the area of the triangle.<\/p>\n","answers":[{"text":"

186 cm^{2<\/sup><\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"304 cm^{2<\/sup><\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"196 cm^{2<\/sup><\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"204 cm^{2<\/sup><\/div>\n","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"609083e4-21da-4cf2-bed4-44a42d6bb07e","metadata":{"contentType":"Multiple Choice","license":"U","title":"The two sides of a triangle are 25 cm and 26 cm, while the altitude to the third side is 24 cm."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"The diagonals of a parallelogram are 16 cm and 28 cm, respectively. One side of the parallelogram is 12 cm. Find the area of the parallelogram.<\/p>\n","answers":[{"text":"
192 cm^{2<\/sup><\/div>\n","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"129 cm^{2<\/sup><\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"291 cm^{2<\/sup><\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"219 cm^{2<\/sup><\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"36fbb451-2e7c-43dc-b1b7-813c062a1536","metadata":{"contentType":"Multiple Choice","license":"U","title":"The diagonals of a parallelogram are 16 cm and 28 cm, respectively."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"After M students took the test, there was a total of 64% of correct answers. If the test contains 50 questions, what is the least number of questions that the next student have to get right to bring the total of correct answers to 70%?<\/p>\n","answers":[{"text":"3M + 20","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"3M + 35","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"4M + 15","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"4M + 20","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"e307cc38-9a61-4767-955c-3283638b920d","metadata":{"contentType":"Multiple Choice","license":"U","title":"After M students took the test, there was a total of 64% of correct answers."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"
How many integers between 18 and 70 inclusive are divisible by either 7 or 9 but not both?<\/p>\n","answers":[{"text":"11","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"12","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"13","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"14","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"9f5fd884-7544-464d-9305-1a9a0f1b133e","metadata":{"contentType":"Multiple Choice","license":"U","title":"How many integers between 18 and 70 inclusive are divisible by either 7 or 9 but not both?"}},{"library":"H5P.MultiChoice 1.16","params":{"question":"
If the power of an engine grows by 10% when the number of its cylinders is increased by one, which of the following is closest to the ratio of the power of a 9-cylinder engine to that of a 12-cylinder engine?<\/p>\n","answers":[{"text":"0.69","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"0.71","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"0.75","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"0.72","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"f28695b8-4035-439b-8603-3029cbd80623","metadata":{"contentType":"Multiple Choice","license":"U","title":"If the power of an engine grows by 10% when the number of its cylinders is increased by one ..."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"
A lead pencil whose ends are regular hexagons was cut from a cylindrical piece of wood with the least waste. If the original piece was 8 in. long and \u00bd inch in diameter, find the volume of the pencil.<\/p>\n","answers":[{"text":"
1.299 in^{3<\/sup><\/div>\n","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"1.533 in^{3<\/sup><\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"1.335 in^{3<\/sup><\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"1.922 in^{3<\/sup><\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"ef1a8d9e-060f-4467-9726-fbc27828bcda","metadata":{"contentType":"Multiple Choice","license":"U","title":"A lead pencil whose ends are regular hexagons was cut from a cylindrical piece of wood with ..."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"Kate and David each have $10. Together they flip a coin 5 times. Every time the coin lands on heads, Kate gives David $1. Every time the coin lands on tails, David gives Kate $1. After the coin is flipped 5 times, what is the probability that Kate has more than $10 but less than $15.<\/p>\n","answers":[{"text":"5\/16","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"15\/32","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"1\/2","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"21\/32","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"5691c72c-2a1a-49f3-9572-d0e07d2fa248","metadata":{"contentType":"Multiple Choice","license":"U","title":"Kate and David each have $10. Together they flip a coin 5 times. Every time the coin lands on heads ..."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"
10 business executives and 7 chairmen meet at a conference. If each business executive shakes the hand of every other business executive and every chairman once, and each chairman shakes the hand of each of the business executives but not the other chairmen, how many handshakes would take place?<\/p>\n","answers":[{"text":"144","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"131","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"115","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"90","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"ceea2551-6af9-4d6f-9882-2f37a0208f0a","metadata":{"contentType":"Multiple Choice","license":"U","title":"10 business executives and 7 chairmen meet at a conference."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"
To make lemonade, a recipe requires 4 lemons, 30 ounces of sugar, and 2 pints of water. One can squeeze out 0.4 cup of 5% citric acid from an average lemon. Marta does not have lemons, but wants to make lemonade from 4 cups of 12% citric acid. She has sugar and water in abundance. How much water will Marta use?<\/p>\n","answers":[{"text":"15 pints","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"6 pints","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"2 pints","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"12 pints","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"66ea1421-3718-4faa-ade6-5626b46ef51b","metadata":{"contentType":"Multiple Choice","license":"U","title":"To make lemonade, a recipe requires 4 lemons, 30 ounces of sugar, and 2 pints of water."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"
If each expression under the square root is greater than or equal to 0, what is \u221a(x^2 - 6x + 9) + \u221a(2 - x) + x - 3?<\/p>\n","answers":[{"text":"\u221a(2 - x)","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"2x - 6 + \u221a(2 - x)","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"\u221a(2 - x) + x - 3","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"x + \u221a(2 - x)","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"18e0677f-8f00-4866-8a3f-dea8f368b7e6","metadata":{"contentType":"Multiple Choice","license":"U","title":"If each expression under the square root is greater than or equal to 0, what is ..."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"
A construction company wants to number new houses using digit plates only. If the company puts an order for 1212 plates how many houses are to be given numbers? (The numbers of houses are consecutive and the number of the first house is 1).<\/p>\n","answers":[{"text":"260","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"440","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"556","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"792","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"bbee0529-5a09-4b20-acd9-3c34cb4b91fa","metadata":{"contentType":"Multiple Choice","license":"U","title":"A construction company wants to number new houses using digit plates only."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"
Point P has cylindrical coordinates of (8, 30\u00b0, 5). Find the value of x in the Cartesian coordinates.<\/p>\n","answers":[{"text":"5.21","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"6.12","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"6.93","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"5.94","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"81da0840-24f9-4ca5-8044-f0a0c5c90b13","metadata":{"contentType":"Multiple Choice","license":"U","title":"Point P has cylindrical coordinates of (8, 30\u00b0, 5)."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"
At an ordinary rate a man can row the distance from Pasig to Manila, about 15km, in 5 hours less time than it takes him to return. Could he double his rate, his time to Manila would only be one hour less than his time to Pasig. What is the rate of Pasig River?<\/p>\n","answers":[{"text":"1 kph","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"1.5 kph","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"2 kph","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"2.5 kph","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"82e0c3e7-3192-4d25-a990-55e2e6a04f18","metadata":{"contentType":"Multiple Choice","license":"U","title":"At an ordinary rate a man can row the distance from Pasig to Manila ..."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"
A tank, open at the top, is made of sheet iron 1 in. thick. The internal dimensions of the tank are 4 ft. 8 in. long; 3 ft. 6 in. wide; 4 ft. 4 in. deep. Salt water weighs 64 lb\/ft^{3<\/sup> and iron is 7.2 times as heavy as salt water. Find the volume of the sheet iron, in cubic meter.<\/p>\n","answers":[{"text":"0.2122","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"7.495","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"0.3518","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"8.652","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"31dfa5ca-d48c-4468-969a-e12c409ecd61","metadata":{"contentType":"Multiple Choice","license":"U","title":"A tank, open at the top, is ... Find the volume of the sheet iron."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"}
A tank, open at the top, is made of sheet iron 1 in. thick. The internal dimensions of the tank are 4 ft. 8 in. long; 3 ft. 6 in. wide; 4 ft. 4 in. deep. Salt water weighs 64 lb\/ft^{3<\/sup> and iron is 7.2 times as heavy as salt water. Find the weight of the tank when empty, in kilo Newton.<\/p>\n","answers":[{"text":"3453.87","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"25.32","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"4355.62","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"15.36","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"139ec82b-8240-46a7-a06c-c7f7ad413617","metadata":{"contentType":"Multiple Choice","license":"U","title":"A tank, open at the top, is ... Find the weight of the tank when empty"}},{"library":"H5P.MultiChoice 1.16","params":{"question":"}
A tank, open at the top, is made of sheet iron 1 in. thick. The internal dimensions of the tank are 4 ft. 8 in. long; 3 ft. 6 in. wide; 4 ft. 4 in. deep. Salt water weighs 64 lb\/ft^{3<\/sup> and iron is 7.2 times as heavy as salt water. Find the weight of the tank when full of salt water, in kilo Newton.<\/p>\n","answers":[{"text":"20.72","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"7983.64","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"35.51","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"8421.17","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"1924c08f-90ef-4e4e-958d-bf938e90cfeb","metadata":{"contentType":"Multiple Choice","license":"U","title":"A tank, open at the top, is ... Find the weight of the tank when full of salt water"}},{"library":"H5P.MultiChoice 1.16","params":{"question":"}
A tank contains 80 gallons of pure water. A brine solution with 2 lb\/gal of salt enters at 2 gal\/min, and the well-stirred mixture leaves at the same rate. Find the amount of salt in the tank at any time, t.<\/p>\n","answers":[{"text":"
160(1 - e^{-t\/40<\/sup>)<\/div>\n","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"175(1 - e^{-t\/25<\/sup>)<\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"40(1 - e^{-t\/160<\/sup>)<\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"25(1 - e^{-t\/175<\/sup>)<\/div>\n","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"f7c6cdd8-6fe5-48b1-8dcc-ff2fd3713e00","metadata":{"contentType":"Multiple Choice","license":"U","title":"A brine solution ... Find the amount of salt in the tank at any time"}},{"library":"H5P.MultiChoice 1.16","params":{"question":"A tank contains 80 gallons of pure water. A brine solution with 2 lb\/gal of salt enters at 2 gal\/min, and the well-stirred mixture leaves at the same rate. Find the time at which the brine leaving will contain 1 lb\/gal of salt.<\/p>\n","answers":[{"text":"27.7 min","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"33.3 min","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"42.2 min","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"51.1 min","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"f236d1e9-21e0-449a-8f7f-291a586a61ab","metadata":{"contentType":"Multiple Choice","license":"U","title":"A brine solution ... Find the time at which the brine leaving will contain 1 lb\/gal of salt."}},{"library":"H5P.MultiChoice 1.16","params":{"question":"
A tank contains 80 gallons of pure water. A brine solution with 2 lb\/gal of salt enters at 2 gal\/min, and the well-stirred mixture leaves at the same rate. Determine the limiting value for the amount of salt in the tank after a long time.<\/p>\n","answers":[{"text":"40 lb","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"175 lb","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"25 lb","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"160 lb","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"05048288-207e-41b2-b3cc-cc9a39568911","metadata":{"contentType":"Multiple Choice","license":"U","title":"A brine solution ... Determine the limiting value for the amount of salt in the tank"}},{"library":"H5P.MultiChoice 1.16","params":{"question":"
A uniform chain that weighs 0.50 kg per meter has a 15-liter bucket hanged at its end. The bucket is full of liquid and 30 meters of chain is out. Liquid weighs 1 kg per liter and weight of bucket is negligible. How much work is done in winding-up the upper half of the chain?<\/p>\n","answers":[{"text":"675.0 kg-m","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"562.5 kg-m","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"458.2 kg-m","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"393.8 kg-m","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"228c0ce5-ca41-4de5-8097-452cd01a9c33","metadata":{"contentType":"Multiple Choice","license":"U","title":"A uniform chain ... How much work is done in winding-up the upper half?"}},{"library":"H5P.MultiChoice 1.16","params":{"question":"
A uniform chain that weighs 0.50 kg per meter has a 15-liter bucket hanged at its end. The bucket is full of liquid and 30 meters of chain is out. Liquid weighs 1 kg per liter and weight of bucket is negligible. How much work is done in winding-up the full length of the chain?<\/p>\n","answers":[{"text":"675.0 kg-m","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"562.5 kg-m","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"458.2 kg-m","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"393.8 kg-m","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"9757e762-8989-42f4-a528-d70740f368d0","metadata":{"contentType":"Multiple Choice","license":"U","title":"A uniform chain ... How much work is done in winding-up the full length?"}},{"library":"H5P.MultiChoice 1.16","params":{"question":"
A uniform chain that weighs 0.50 kg per meter has a 15-liter bucket hanged at its end. The bucket is full of liquid and 30 meters of chain is out. Liquid weighs 1 kg per liter and weight of bucket is negligible. If the bucket is leaking at a uniform rate so that it is half-full when no chain is out, how much work is done in winding-up the 30-m length?<\/p>\n","answers":[{"text":"675.0 kg-m","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"562.5 kg-m","correct":true,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"458.2 kg-m","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}},{"text":"689.3 kg-m","correct":false,"tipsAndFeedback":{"tip":"","chosenFeedback":"","notChosenFeedback":""}}],"behaviour":{"enableRetry":true,"enableSolutionsButton":true,"enableCheckButton":true,"type":"auto","singlePoint":false,"randomAnswers":true,"showSolutionsRequiresInput":true,"confirmCheckDialog":false,"confirmRetryDialog":false,"autoCheck":false,"passPercentage":100,"showScorePoints":true},"media":{"disableImageZooming":false},"overallFeedback":[{"from":0,"to":100}],"UI":{"checkAnswerButton":"Check","submitAnswerButton":"Submit","showSolutionButton":"Show solution","tryAgainButton":"Retry","tipsLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","tipAvailable":"Tip available","feedbackAvailable":"Feedback available","readFeedback":"Read feedback","wrongAnswer":"Wrong answer","correctAnswer":"Correct answer","shouldCheck":"Should have been checked","shouldNotCheck":"Should not have been checked","noInput":"Please answer before viewing the solution","a11yCheck":"Check the answers. The responses will be marked as correct, incorrect, or unanswered.","a11yShowSolution":"Show the solution. The task will be marked with its correct solution.","a11yRetry":"Retry the task. Reset all responses and start the task over again."},"confirmCheck":{"header":"Finish ?","body":"Are you sure you wish to finish ?","cancelLabel":"Cancel","confirmLabel":"Finish"},"confirmRetry":{"header":"Retry ?","body":"Are you sure you wish to retry ?","cancelLabel":"Cancel","confirmLabel":"Confirm"}},"subContentId":"19f624f5-dac4-4c92-990c-ff9b440d3b99","metadata":{"contentType":"Multiple Choice","license":"U","title":"A uniform chain ... If the bucket is leaking."}}]}}}}}}}}}}}}}}}}}