Quantitative Aptitude - Arithmetic Ability Questions

Product of digits of a 2-digit number is 27. If we add 54 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

The order of rotational symmetry of a rectangle is

The mean of marks secured by 35 students in division A of class X is 65, 45 students of division B is 61 and that of 70 students of division C is 59. What is the mean of marks of the students of three divisions of Class X?

The price of a chair is Rs. 500. It has been sold at two succesive discounts of 10% each. What is its selling price?

What will be the maximum power of 8 that exactly divides 25!?

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

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

When a number is increased by 42, it becomes 121% of itself. What is the number?