Question
A shopkeeper buys 15 kg of sugar at ₹20 per kg. He
mixes it with 5 kg of sugar purchased at ₹30 per kg. If he sells the mixture at ₹25 per kg, what is his profit or loss percentage?Solution
Cost of 15 kg sugar = 15 × 20 = ₹300 Cost of 5 kg sugar = 5 × 30 = ₹150 Total cost = ₹300 + ₹150 = ₹450 Total weight = 15 + 5 = 20 kg Cost price per kg = 450 / 20 = ₹22.5 Selling price per kg = ₹25 Profit per kg = 25 - 22.5 = ₹2.5 Profit percentage = (2.5 / 22.5) × 100 = 11.11% Correct answer: a)
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