What will be the compound interest on a sum of Rs. 25,000 after 3 years at the rate of 12% p.a.?  Choose the correct answer
A) Rs.10123.77 B) Rs.10123.21 C) Rs.10123.20 D) Rs.10123.28 E) Rs.10123.21
Amount = [25000 * (1 + 12/100)3]   = 25000 * 28/25 * 28/25 * 28/25   = Rs. 35123.20   C.I. = (35123.20 - 25000)   = Rs. 10123.20   Answer:Rs.10123.20
<result>C</result>
What will be the compound interest on a sum of Rs. 25,000 after 3 years at the rate of 12% p.a.?