Quantitative Aptitude - Arithmetic Ability Questions

ΔABC is right angled at B. If cotA = 7/24, then what is the value of cosecC ?

If 3√7 + √343 = 19.21, then find the value of √252 + 20√7.

Which value among 53, 64,126,27612 is the largest?

It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the car is:

The ages of A and B differ by 16 years. If 6 years ago, the elder one was 3 times as old as the younger one, find the present age of the younger between A and B?

The base area of a right pyramid is 57 sq. units and height is 10 units. Then the volume of the pyramid is

If ABCD is a trapezium, AC and BD are the diagonals intersecting each other at point O. Then AC : BD is

P and Q undertook to do a work for Rs 7200. P alone could do it in 20 days and Q alone in 12 days. With the assistance of R they finished the work in 5days. What is the share (in Rs) of R?