When prices rise by 12 if the expenditure is to be the same what is the percentage of consumption to...........

Quantitative Aptitude (CDS) Percentage

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When prices rise by 12%, if the expenditure is to be the same, what is the percentage of consumption to be reduced?

$16\frac{2}{3}\%$

$10\frac{2}{7}\%$

$16\frac{3}{5}\%$

$10\frac{5}{7}\%$

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Explanation:

Decrease in consumption =
$[\frac{\%Price increase}{100+\%Price increase}]\times 100=[\frac{12}{100+12}]\times100=10\frac{5}{7}$
Hence, consumption of onion should be decreased by $10\frac{5}{7}\%$ so that there is no change in the expenditure

By: Munesh Kumari

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When prices rise by 12 if the expenditure is to be the same what is the percentage of consumption to...........

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