Quantitative Aptitude - Arithmetic Ability Questions

The vertical angle A of an isosceles triangle ΔABC is three times the angle B of it. The measure of the angle A is

How much quantity (in kg) of wheat costing Rs 84 per kg must be mixed with 81 kg of wheat costing Rs 60 per kg so that on selling the mixture at Rs 75.9 per kg, there is a gain of 15%?

What is the least number that should be added to the product 11 x 12 x 13 x 14 to make it a perfect square?

If 9/4th of 7/2 of a number is 126, then 7/2th of that number is _____.

The bus fare between two cities is increased in the ratio 1:2. Find the increase in the fare, if the original fare is Rs. 175.

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

What will be the next set of numbers in the series? (2,3), (3,5), (5,7), (7,11), (11,13), ___

Find the volume (in cm3) of a right circular cylinder of diameter 21 cm and height 10 cm.