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If the selling price of 10 articles is the same as the costprice of 11 articles, find the gain per cent. |
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Answer» Let x = selling price of 10 articles = cost of 11 articlesgain percent = (selling price / cost per item -1)* 100% x/10 = selling price of each articlex/11 = cost per article gain percent = ((x/10)/(x/11)-1)*100% = ((11/10)-1)*100% = 10% |
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