What is the difference between the compound interest on Rs.12000 at 22% p.a. for one year when compounded yearly and half yearly?
Choose one:  A) 399  B) 383  C) 120.2  D) 288.2  E) 145.2
When compounded annually, interest   = 12000[1 + 22/100]1 - 12000 = Rs.2640   When compounded semi-annually, interest   = 12000[1 + 11/100]2 - 12000 = Rs.2785.20.   Required difference = 2785.20 - 2640 = Rs.145.20   Answer: 145.2
<result>E</result>
What is the difference between the compound interest on Rs.12000 at 22% p.a. for one year when compounded yearly and half yearly?