What is formula to find Percentage and Average ?

Given :

Percentage and Average.

To do :

We have to write the formula to find percentage and average

Solution :

Formula to find Percentage :

% means A number expressed as fraction of 100.

$\displaystyle 10\%\ =\ \frac{10}{100}$

For example,  10% of 50.

$10 \%\ of 50 = \frac{10}{100} \times50 = 5$

Formula to find Average :

$Average = \frac{Sum \ of \ observations}{Number \ of \ observations}$

For example, Average of 3 , 5 , 8 , 4

$Average = \frac{3 + 5 + 8 + 4}{4} = \frac{20}{4} = 5$