Quantitative Aptitude - Arithmetic Ability Questions

Find the maximum area of a rectangle field which is surrounded by a rope of 400 m.

Find the average of all prime numbers between 20 and 50.

If the cost price of 20 books is the same as selling price of 25 books, then the loss percentage is

The simple interest on a sum for 5 years is two­fifth of the sum. The rate of interest per annum is

Find the volume (in cm3) of a right circular cylinder of diameter 42 cm and height 14 cm.

Find the number which is NOT a prime number.

What is the square root of 6561?

A sum of Rs. 2000 at 40% per annum compounded annually. Calculate the interest for the third your at compound interest.