Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word/letters/number/number pair from the given alternatives.

If x -­ y = 7 and xy = 32, then value of (x2 + y2) is

If 2r = h + r2+h2, then the ratio of r:h is

The compound interest on Rs. 24000 at 10% per annum for 11⁄2 years, interest being compounded semi­annually is

If x + √5 = 5 + √y, and x, y are positive integers, then the value of x+yx + y

What is 0.53 + 0.53equal to ?

The length and breadth of a rectangle are 24 cm and 7 cm respectively. Calculate its perimeter (in cm).

In a mixture of 25 litres, the ratio of milk to water is 4:1. Another 3 litres of water is added to the mixture. The ratio of milk to water in the new mixture is