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The ratio of cost price and selling price of an article is 20 : 21. Then gain percent on it is
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Correct Option: B
Given in question , The ratio of cost price and selling price of an article = 20 : 21
Let C.P. of article = Rs. 20k
S.P. of article = Rs. 21k.
Profit = S.P. of article - C.P. of article = 21k - 20k = Rs. k
| ∴ Profit percent = | × 100 | C.P. of article |
| Profit percent = | × 100 = 5% | 20k |
