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The marked price of an article is Rs. 5000. But due to a special festive offer a certain percent of discount is declared. Mr. X availed this opportunity and bought the article at reduced price. He then sold it at Rs. 5000 and thereby made a profit of (100 / 9) %. The percentage of discount allowed was
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- 10
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3 1 3 -
7 1 2 -
11 1 9
Correct Option: A
Let the C.P. for Mr. X = Rs. y
According to the question,
 | 100 + | 100 |  | % of y = 5000 | ||
| 9 |
| ⇒ y × | = 5000 | 900 |
| ⇒ y = | = Rs. 4500 | 1000 |
∴ C.P. for Mr. X = Rs. 4500
∴ Discount = Rs. (5000 – 4500) = Rs. 500
| ∴ Discount percent = | × 100 = 10% | 5000 |
