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modi spends 60% oh his income and saves the rest. if his income increases by 20% and his expenditures increases by 10%, then what is the percentage increase in his savings​

Answer»

★\huge\bf{\blue{\underline{Question:-}}}

A man USUALLY spends 60% of his INCOME EVERY month and saves the rest. If his income increases by 20% and his expenses also increases by 10 %, Find the percentage of change in his savings.

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★\huge\bf{\red{\underline{Answer:-}}}

10 %

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★\huge\bf{\green{\underline{Explanation:-}}}

Let income of person = Rs. 100

Spent on different expenses = Rs. 60

Savings = Rs. 100 - Rs. 60 = Rs. 40

Now, income after increment of 20 % = 100+

100

20

×100=Rs.120

Expenses after increment of 10 % = 84 Rs.

New saving = 120-84= Rs. 36

Now, percentage of decrease in savings = ( 40−36 /40 )×100=10 %

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