Quantitative Aptitude - Arithmetic Ability Questions

Determine the value of 'x' in x = 11+2+12+3+13+2

In the following question, select the missing number from the given series.1 108, 81, 54, 27, ?

The sum of the digits of a 2-digit number is 8. If we add 36 to the number, the new number obtained is a number formed by interchange of the digits. What is the number?

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?

The point equidistant from the vertices of a triangle is called its

A shopkeeper cheats to the extent of 8% while buying and selling fruits, by using tampered weights, his total gain in percentage 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%?

The lengths of the two diagonals of a rhombus are 8 cm and 15 cm respectively. Find its area (in cm²).