Multiple Choice Question: A can do a job 50% faster than B and 20% faster than C. Working altogether, they can finish the job in 4 days. How many days will it take A to finish the job if he works alone?

A can do a job 50% faster than B and 20% faster than C. Working altogether, they can finish the job in 4 days. How many days will it take A to finish the job if he works alone?

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More Old MCQ

Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.

Aedan opened his Science book and noticed that the product of the two pages in front of him was equal to 1122. What were the sum of the numbers of those pages?
How many three-digit even numbers can be made out from the digits 1, 2, 3, 4, 5, 6, and 7 if repetition of digit is not allowed?
A stone is projected from the ground with a velocity of 15 m/s at an angle of 30 deg; with the horizontal ground. How high will it rise?
Albert and Bryan can do a certain task if both work together 3 days and Albert then works alone 1 day.
A circle with radius r has a circumference equal to the perimeter of a square whose side is S. Which of the following is true?
A decagon has how many diagonals?
Two identical bars PQ and RS each weighing 75 N each are welded together to form a Tee and are suspended in a vertical plane as shown in the figure.
Find the 7th term of the geometric sequence beginning with 6, 9, 27/2, …
The distance between the centers of the three circles which are mutually tangent to each other externally are 10, 12, and 14 units. Find the area of the smallest circle.
If $a$ and $b$ are integers, then $a+b$ is also an integer. This is true by which of the following properties?
The sum of the digits of a two-digit number is 11. When the digits are reversed, the new number exceeds the original number by 9. From the original number, calculate the product of tens digit to the square of the units digit.
It is a point formed by intersecting the internal bisector of one angle of a triangle to the external bisectors of the other two angles.
From the given right triangle what is the value of $3 \sin^2 \varphi \, \sec \varphi$ in terms of $x$.
Find a number such that 2/3 of the number increased by one is 13.
There are four red, three green and five blue discs in a bag. Find the probability that two discs of the same color are drawn.

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