Question : A merchant loses 10% by selling an article. If the cost price of the article is Rs. 15, then the selling price of the article is:
Option 1: Rs. 13.20
Option 2: Rs. 16.50
Option 3: Rs. 12.30
Option 4: Rs. 13.50
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Correct Answer: Rs. 13.50
Solution :
Given: A merchant loses 10% by selling an article.
The cost price (CP) of the article is Rs. 15.
The selling price = $\frac{100-10}{100}$ × CP = $\frac{9}{10}×15$ = $\frac{135}{10}$ = Rs. 13.50
Hence, the correct answer is Rs. 13.50.
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