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A retailer buys 250 kg of rice, a part of which he sells at 10% profit and the remaining at 5% loss. If the net profit made by the retailer in the whole transaction is 7%, then the quantity of rice sold at 10% profit is(a) 200 kg(b) 150 kg(c) 100 kg(d) 50 kg |
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Answer» Correct answer is: (a) 200 kg c = −5%, d = 10%, m = 7% (d − m) : (m − c)= 1 : 4 Quantity sold at 10 % profit = \(\frac{4}{5}\) × 250 = 200 Kg |
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