A shopkeeper marked 50% more price than cost price of the article . If he allows 30% discount to his customers, then his profit per cent is

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Accepted Answer

Here, r = 50% and r1 = 30% ∴ Gain per cent = [r(100 - r1)/100] - r1 = [50 x (100 - 30)/100] - 30 = 35 - 30 = 5%

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