4. Due to inflation the total cost of monthly household items has gone up by \( 20 \% \), but the salary of the family increased by only 10\%. Initially, the family used to spend \( 20 \% \) of the salary on household items. What percentage of the present salary should the family spend to buy the same quantities of household items? (A) \( 10 \% \) (B) \( 20 \frac{2}{11} \% \) (C) \( 22 \frac{2}{11} \% \) (D) \( 21 \frac{9}{11} \% \)
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Danielle F.
Due to inflation the total cost of monthly household items has gone up by $20 \%$, but the salary of the family increased by only $10 \%$. Initially, the family used to spend $20 \%$ of the salary on household items. What percentage of the present salary should the family spend to buy the same quantities of household items? (A) $10 \%$ (B) $20 \frac{2}{11} \%$ (C) $22 \frac{2}{11} \%$ (D) $21 \frac{9}{11} \%$
Quantitative Aptitude
Percentage, Profit and Loss
The salaries of two persons are equal. If the salary of one of them is increased by $20 \%$ and the salary of the other is decreased by $20 \%$, find the percentage change in the total salary of the two persons. (A) $4 \%$ increase B) $4 \%$ decrease (C) $0 \%$ (D) None of these
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