### Question 15

SSC-CGL 2020 Mar 4 Shift 1

A person can save 15% of his income. If his income increases by 20% and still he saves the same amount as before, the percentage increase in his expenditure is?

### Solution in Detail

Let income = 100

Current savings given = 15

So, current expenses = 85

given that income increases by 20%

new income = 100 + 20% = 120

savings remain same = 15

$\displaystyle \therefore $ new expenses = 120 - 15 = 105

%-increase = $\displaystyle \frac{105 - 85}{85} \times 100$

$\displaystyle = \frac{400}{17} \%\:\underline{Ans}$

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