Question
A shopkeeper earns a profit of 10% after allowing a discount of 20% on the marked price. The cost price of the article whose marked price is Rs. 880, is = ?
Answer: Option B
Market price of the article = Rs. 880
After discount selling price of the article
$$\eqalign{
& {\text{ = }}\frac{{880 \times 80}}{{100}} \cr
& {\text{ = Rs}}{\text{. 704}} \cr
& {\text{Cost price of the article }} \cr
& {\text{ = }}\frac{{704 \times 100}}{{110}} \cr
& = {\text{Rs}}{\text{. 640}} \cr} $$
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Market price of the article = Rs. 880
After discount selling price of the article
$$\eqalign{
& {\text{ = }}\frac{{880 \times 80}}{{100}} \cr
& {\text{ = Rs}}{\text{. 704}} \cr
& {\text{Cost price of the article }} \cr
& {\text{ = }}\frac{{704 \times 100}}{{110}} \cr
& = {\text{Rs}}{\text{. 640}} \cr} $$
Was this answer helpful ?
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