Quantitative Aptitude - Arithmetic Ability Questions

The length of one side and the diagonal of a rectangle are 20 cm and 29 cm respectively. Find the length of its other side (in cm).

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

Identify the odd one out from the following:

If cos -4π/3 = x, then the value of x is

129 meter from the foot of a cliff on level of ground, the angle of elevation of the top of a cliff is 30°. The height of this cliff is

A certain number of men agreed to do a work in 20 days. 5 men did not come for work. Others completed the work in 40 days. Find the number of men who had agreed to do the work originally.

Of the 3 numbers whose average is 72, the first is 2/7 times the sum of other 2. The first number is

The mean of marks secured by 45 students in division A of class X is 56, 40 students of division B is 52 and that of 40 students of division C is 50. Find the mean of marks of the students of three divisions of Class X.