John bought 15 apples for Rs.10 and sold them at the rate of 12 apples for Rs.12. What is the percentage of profit made by him?

A. 50 %
B. 60 %
C. 65 %
D. 100 %
Ans: A

Explanation:

He got profit ? profit % = 15/10 * 12/12 = 1.5 => 50%.

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