## Average

## Rules to calculate average

Average of given numbers is equal to the sum of given numb...

## Percentage

The meaning of 'Cent' is 'Century', i.e. 'Hundred'

## Profit And Loss

**Cost Price (CP)** : Cost Price is the price at which an article is purchased. **C.P.** is...

## Problems Based on Numbers

Question (1) The sum of two numbers is 50. If one of the numbers is 20 then find t...

## Simple Interest

## Important Terms and Formula related to simple interest

*Time and Distance*

*Time and Distance*

### Distance

The length of path covered by an object is called **DISTANCE**....