(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

$45 \%$ of $1500 + 35 \%$ of $1700 = ? \%$ of $3175$

Shruti decided to donate $12 \%$ of her salary to an orphanage. On the day of donation,she changed her mind and donated $Rs. 3150$,which was $75 \%$ of what she had decided earlier. How much is Shruti's salary?

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?

Aditya has some amount,out of which $25 \%$ is stolen,$10 \%$ he gave to his friend,$50 \%$ of the remainder is spent on a party,and the rest $Rs. 26$ he gave to his mother. What was his initial amount?

$A$ man spends $75 \%$ of his income. His income is increased by $20 \%$ and he increases his expenditure by $10 \%$. His savings are increased by: (in $\%$)

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