Quantitative Aptitude - Arithmetic Ability Questions

The sum of the parallel sides of a trapezium is 12.4 cm. If the distance between the parallel sides is 3.5 cm, what is the area of this trapezium?

The standard deviation of the set {10, 11, 12, 9, 8} is

Find out the odd word/letters/number/number pair from the given alternatives.

In a mixture of 45 litres, the ratio of liquid A and liquid B is 7 : 2. If 11 litres of liquid B is added to the mixture, then what will be the ratio of liquid A and liquid B in the new mixture?

Incentre of Δ ABC is I. ∠ABC = 90° and ∠ACB = 70°. ∠AIC is

If curved surface area of a cylinder is 616 sq cm and height is 14 cm, find its radius?

If a2+1=9a, (a≠0) then the value of a2+1a2 is

Which of the following numbers is not a prime number?