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1. A housewife saved Rs. 2.50 in buying a dress on sale. If she spent Rs. 25 for the dress, approximately how much percent she saved in the transaction ?

A. 8%

B. 9%

C. 10%

D. 11%

Solution:

House wife spends Rs. 25 on dress and saved Rs. 2.50
Total transaction = 25 + 2.50 = Rs. 27.50

\begin{aligned} Save % = \frac{2.50}{27.50} \times 100 \\ = \frac{100}{11} % \\ = 9 % ( approx) \end{aligned}

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