| A shopkeeper gains 17% after allowing a discount of 10% on the marked price of an article. Find his profit per cent, if the article is sold at marked price allowing no discount. [SSC (CGL) Pre 2015] |
A) 23%
B) 27%
C) 30%
D) 37%
Correct Answer: C
Solution :
| Let the cost price of an article be Rs. 100. |
| Then, selling price = Rs. 117 |
| Now, marked price of the article |
| \[=117+\frac{117}{9}=Rs.\,130\] |
| Profit per cent, when the article is sold at marked price \[=\,\,\frac{130-100}{100}\times 100\,\,=\,\,\frac{30}{100}\times 100=30\]% |
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