Exams

Select the wrong number from the given series?

6, 12, 20, 32, 42, 56, 72

In a certain office, 1/3 of workers are women, 1/2 of the women are married and 1/3 of the married women have children. If 3/4  of the men are married and 2/3  of the married men have children, what part of the workers are without children?

If the sum of the interior angles of a regular polygon is 720° then how many sides does it have?

A rectangular plot measuring 90 meters by 50 meters is to be enclosed by wire fencing. If the poles of the fence are kept 5 meters apart. How many poles will be needed?

Consider the following information and answer the questions based on it

Out of 50 kids in a colony, 10 like only basketball, 25 like only football, 10 like both volleyball and football and 5 like only volleyball.

How many kids like only one sport?

In the following question, select the missing number from the given series.

2187, 729, 243, 81, 27, ?

The area of a square is 42.25 cm². Find its perimeter (in cm).

One of the roots of the equation x2 - 6x + k = 0 is x = 2. The other root is