Quantitative Aptitude - Arithmetic Ability Questions

A sum of money invested at simple interest becomes 13/10 of itself in 2 years and 6 months. What is the rate (in percentage) of interest per annum?

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

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

Product of digits of a 2-digit number is 72. If we add 9 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

If P : Q : R = 6 : 7 : 8 and R : S = 3 : 5, then what is P : S?

What is the slope of the line perpendicular to the line passing through the points (-2, 3) and (2, 0)?

If secA/(secA ­- 1) + secA/(secA + 1) = x, then x is

The sum for 2 years gives a compound interest of Rs 3225 at 15% rate. Then sum is