If the simple interest on a certain sum of money for 3 years at 10% interest is Rs.300, find the compound interest on the same sum for the same time at the same rate of interest.
A
Rs.300
B
Rs.321
C
Rs.210
D
Rs.331
Correct Option - D
Explaination
P = 300*100/(3*10) = Rs.1000
A = 1000*(1+(10/100))^3 = 1331
C.I = 1331-1000 =Rs.331