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interest on a sum of Rs. 25,000 after 3 years at 12%?

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What will be the compound interest on a sum of Rs. 25,000 after 3 years at 12% p.a.?
A. Rs. 9000.30
B. Rs. 9720
C. Rs. 10123.20
D. Rs. 10483.20

View Answer
C. Rs. 10123.20

Amount = [25000 * (1 + 12/100)3]

= 25000 * 28/25 * 28/25 * 28/25 = Rs. 35123.20
C.I. = (35123.20 – 25000) = Rs. 10123.20