(B) Let the initial income of Peter be $I = 100$.Initial savings $= 10 \%$ of $100 = 10$.Initial expenditure $= 100 - 10 = 90$.New income after $20 \%

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(B) Let the initial income of Peter be $I = 100$.Initial savings $= 10 \%$ of $100 = 10$.Initial expenditure $= 100 - 10 = 90$.New income after $20 \%$ increase $= 100 + 20 = 120$.New savings $= 10$ (same as before).New expenditure $= 120 - 10 = 110$.Increase in expenditure $= 110 - 90 = 20$.Percentage increase in expenditure $= (\frac{20}{90}) \times 100 = \frac{200}{9} = 22 \frac{2}{9} \%$.

Competitive Quantitative Aptitude Percentage Percentage

Medium

Peter could save $10 \%$ of his income. But two years later,when his income increased by $20 \%$,he could save the same amount as before. By what percentage has his expenditure increased?

A
$22 \%$
B
$22 \frac{2}{9} \%$
C
$23 \frac{1}{3} \%$
D
$24 \%$

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Peter could save $10 \%$ of his income. But two years later,when his income increased by $20 \%$,he could save the same amount as before. By what percentage has his expenditure increased?

Similar Questions

The first and second numbers are less than a third number by $30 \%$ and $37 \%$,respectively. The second number is less than the first by: (in $\%$)

If an electricity bill is paid before the due date,one gets a reduction of $4 \%$ on the amount of the bill. By paying the bill before the due date,a person got a reduction of $₹ 13$. The amount of his electricity bill was:

In a test,a candidate secured $468$ marks out of maximum marks $A$. Had the maximum marks $A$ been converted to $700$,he would have secured $336$ marks. What was the maximum marks $A$ of the test?

In an examination,it is required to multiply a number by $7$,but by mistake,a student divides it by $7$. What is the error percentage?

The population of a town is $123,456,789$. It increases by $10\%$ during the first year,$20\%$ during the second year,and $30\%$ during the third year. What is the average percentage increase during the three years?

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