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1. In order to maintain the price line a trader allows a discount of 10% on the marked price of an article. However, he still makes a profit of 17% on the cost price. Had he sold the article at the marked price, he would have earned a profit percent of = ?

A. 30%

B. 32%

C. 33%

D. 35%

Solution:

CP	SP	MP
100_×10	117_×10
	90_×13	100_×13
1000	1170	1300

\begin{aligned} ∴ L .C .M of 117 and 90 \\ Profit = 1300 - 1000 \\ =  Rs . 300 \\ Profit = \frac{300}{1000} \times 100 \\ = 30% \end{aligned}

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