The simple interest on a sum for 3 years at 10% per annum is Rs. 3,600. What is the compound interest on the same sum for the same period and rate?
Correct answer D. Rs. 3,972
Explanation
P = 3600 × 100 / 30 = 12,000. CI = 12000 × (1.331 − 1) = 12000 × 0.331 = Rs. 3,972.
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