What will be the compound interest on a sum of Rs. 21,000 after 3 years at the rate of 12% p.a.?	Choose the correct answer.
A) Rs. 8503.49
B) Rs. 9720
C) Rs. 10123.20
D) Rs. 10483.20
E) None
Amount = [21000 * (1 + 12/100)3]   = 21000 * 28/25 * 28/25 * 28/25 = Rs. 29503.49   C.I. = (29503.49 - 21000) = Rs. 8503.49   Rs. 8503.49NSWER:Rs. 8503.49
<result>A</result>
What will be the compound interest on a sum of Rs. 21,000 after 3 years at the rate of 12% p.a.?