A) \[15%\]
B) \[13\frac{1}{23}%\]
C) \[16\frac{2}{3}%\]
D) \[10\frac{20}{23}%\]
Correct Answer: B
Solution :
If the price of a commodity increase by R%, then reeducation in consumption, not to increase the expenditure\[\left( \frac{R}{100+R}\times 100 \right)%.\] |
\[=\frac{15}{100+15}\times 100\] |
\[=\frac{15}{115}\times 100\] |
\[=\frac{300}{23}=13\frac{1}{23}%\] |
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