Quantitative Aptitude - Arithmetic Ability Questions

Two pipes namely A,B can fill a sump in 25 minutes and half an hour respectively and a pipe C can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity off the tank is

Which of the following fractions is largest?

The area of a rectangle is 448 sq.m. If the length is more than the breadth by 12%, find the breadth.

The centroid of a triangle is the point where

If the edge of a cube is increased by 2 cm, the volume will increase by 488 cub.cm. What then will be the length of each edge of the cube?

If 60 boys can finish a work in 15 days by working 8 hours a day, then how many hours a day should 72 boys work to finish that work within 20 days?

A balloon is connected to a meteorological station by a cable of length 130 m, inclined at 60 deg to the horizontal. Find the height of the balloon from the ground. Assume that there is no slack in cable.

If 60/75 is equivalent to 4/x, then the value of x is