# Arithmetic

## Speed Distance And Time

Relationship between speed distance and time is expressed by $Speed=\frac{\text{Distance}}{Time}$ $\Rightarrow \text{Distance}=Speed\times Time$ This expression shows that – Speed is directly proportional to distance. If …

## How to Calculate Percentage

Percentage The word percentage means per hundred. For instance, if a person saves 15% of his salary, he is said to save 15 parts …

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