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A grocer sells rice at a profit of 5% and uses a weightwhich is 20% less. Find his total percentage gain.?a) 31.25%c) 31%11,b) 1.5%d) Data inadequate |
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Answer» Consider a pack of rice weighing 1 Kg.Then its actual weight = 80% of 1Kg = 0.8 KgLet CP of 1 kg be Rs. xThen CP of 0.8 kg = Rs. 0.8 xSP = 105% of CP of 1 Kg= 105/100 × x = 1.05xGain = 1.05x – 0.8 x = 0.25 xGain % = [(0.25 x) / (0.8 x)] × 100 = 31.25 %. |
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