The ratio of expenditure to savings of a woman is 5 : 1. If her income and expenditure are increased by 10% and 20%, respectively, then find the percentage change in her savings.
A. 55%
B. 60%
C. 50%
D. 40%
Answer: Option D
Solution(By Examveda Team)
\[\begin{array}{*{20}{c}} {{\text{Income}}}&{{\text{Expenditure}}}&{{\text{Saving}}} \\ \begin{gathered} 600 \hfill \\ \,\,\,\,\,\,\,\,\,\,{ \downarrow ^{ + 10\% }} \hfill \\ 660 \hfill \\ \end{gathered} &\begin{gathered} 500 \hfill \\ \,\,\,\,\,\,\,\,\,{ \downarrow ^{ + 20\% }} \hfill \\ 600 \hfill \\ \end{gathered} &\begin{gathered} 100 \hfill \\ \hfill \\ 60 \hfill \\ \end{gathered} \end{array}\]Decrease in saving = $$\frac{{40}}{{100}}$$ × 100 = 40%
Related Questions on Percentage
A. $$\frac{1}{4}$$
B. $$\frac{1}{3}$$
C. $$\frac{1}{2}$$
D. $$\frac{2}{3}$$
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