In a class experiment, a student needs 5 liters of 6% solution. He found a 4% and a 10% solution in the laboratory. How many liters of each solution should he mix in order to obtain 5 liters of 6% solution?

In a class experiment, a student needs 5 liters of 6% solution. He found a 4% and a 10% solution in the laboratory. How many liters of each solution should he mix in order to obtain 5 liters of 6% solution?

A. 3.33 liters of 4% and 1.67 liters of 10% solution C. 1.33 liters of 4% and 3.67 liters of 10% solution
B. 1.67 liters of 4% and 3.33 liters of 10% solution D. 3.67 liters of 4% and 1.33 liters of 10% solution

What is the full capacity in cubic meter of a water tank having the shape of a frustum of a pyramid with lower and upper base areas of 32 m^2 and 8 m^2 and altitude of 6 m?

What is the full capacity in cubic meter of a water tank having the shape of a frustum of a pyramid with lower and upper base areas of 32 m2 and 8 m2 and altitude of 6 m?

A. 123 m3 C. 98 m3
B. 104 m3 D. 112 m3

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?

A stone is projected from the ground with a velocity of 15 m/s at an angle of 30° with the horizontal ground. How high will it rise?

A. 8.652 m C. 2.586 m
B. 2.685 m D. 2.867 m

A pipe can alone fill a tank in 5 hours, while a drain could do the contrary in 12 hours.

A pipe can alone fill a tank in 5 hours, while a drain could do the contrary in 12 hours. How long would it take the pipe to fill the tank if the drain was simultaneously opened during the duration of the filling job and the tank were entirely emptied at the start?

A. 9.32 hrs C. 8.57 hrs
B. 7.51 hrs D. 6.85 hrs

Company X has a fixed expense of P1.5M monthly and each unit is produced at P20

Company X has a fixed expense of P1.5M monthly and each unit is produced at P20. Company Y has a fixed expense of P500,000 per month and can produce the same unit at P60. At what number of units of monthly production will company X have the same overall cost as company Y?

A. 20,000 C. 30,000
B. 25,000 D. 15,000