What will be the compound interest on a sum of Rs. 30,000 after 3 years at the rate of 12% p.a.? Options:
A) s:10123.19
B) s:10123.29
C) s:10123.20
D) s:10123.28
E) s:12147.84
Amount   = [30000 * (1 + 12/100)3]   = 30000 * 28/25 * 28/25 * 28/25   = Rs. 42147.84   C.I. = (42147.84 - 30000)= 
<gadget id="calculator">(42147.84 - 30000)</gadget>
<output>12_147.84</output>
Rs:12147.84   Answer: s:12147.84
<result>E</result>
What will be the compound interest on a sum of Rs. 30,000 after 3 years at the rate of 12% p.a.?