Quantitative Aptitude - Arithmetic Ability Questions

The square root of which of the following numbers is irrational?

The diagonals of 2 squares M and N are in the ratio 2:1. The ratio of their areas is

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

The square root of 6084 is

(0.2 x 0.2 x 0.2)(0.06 x 0.06 x 0.06) / (0.12 x 0.12 x 0.12) = ?

Which of the following is the prime number series from 1 to 20?

Two tangents PA and PB are drawn to a circle of centre O in such a way that angle AOB = 120 deg. Calculate the value of angle APB.

A shop keeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of cost price to the printed price of the book is