Quantitative Aptitude - Arithmetic Ability Questions

The total surface area of a cube is 73.5 sq.cm. Find its side (in cm).

The radius of a wire is decreased to one-third. If volume remains the same, length will increase by

The difference between Charles' and Shriya's ages is 6 years. When they married each other 30 years ago, 4 times Charle's age was the same as 5 times the age of Shriya. What is the current sum of their ages?

A triangle is circumscribed on the circle of centre O in such a way that sides AB = 12 cm, BQ = 7 cm and CQ = 5 cm. Calculate the lengtth (in cm) of side AC.

Find the number which is NOT a prime number.

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 32448 and Rs 33745.92 respectively, what is the rate of interest?

Some part of Rs 17500 was lent at the rate of 24% per annum simple interest and the remaining part at the rate of 10% per annum simple interest. The total interest received after 5 years is Rs 13300. What is the ratio of money lent at the rate of 24% and 10%?

ΔPQR is right angled at Q. If cosP = 3/5, then what is the value of cosR ?