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Sham went to a shop to buy 40 kg of rice. He buys two varieties of rice which cost him Rs.12 and Rs.15 per kg. He spends a total of Rs.552. What was the quantity of rice bought which cost him Rs.15 per kg?

Sham went to a shop to buy 40 kg of rice. He buys two varieties of rice which cost him Rs.12 and Rs.15 per kg. He spends a total of Rs.552. What was the quantity of rice bought which cost him Rs.15 per kg? Correct Answer 24

Let the quantity of rice bought at Rs.15 per kg be x kg, then the quantity of rice bought at Rs.12 per kg will be (40-x) kg. By data, 15x + 12(40-x) = 552 ? x = 24. Hence, the quantity of rice bought at Rs.15 per kg is 24 kg.

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