Question

A man saves 20% of his monthly salary. If on amount of increase in prices he is to increase his monthly expenses by 20% he is only ableta save Rs 800 per month. His monthly salary is

Answer 1

Answer:

let salary be x

atq

$20\% \: of \: x = 800 \\ \frac{20}{100} x = 800 \\ x = \frac{800 \times 100}{20} \\ x = 4000$

Answer 2

Rs. 20,000

Explanation :

Given :

A man saves 20% of his monthly salary.

He increase his monthly expenses by 20%

He is only able to save Rs 800 per month.

To Find :

The monthly salary.

Solution :

Consider the salary as - Rs 100

So,

Savings = Rs 20

Expenditure = Rs 80

New expenditure :

120% of Rs 80

=> Rs 96.

New savings :

=> Rs 100 - Rs 96

=> Rs 4

=> 4%x = Rs800

=> Rs. 20,000