Compound interest of Rs.2000 at 10% per annum for 1 1/2years will be (interest compounded half yearly).	Choose the correct answer.
A) rs . 473  B) rs . 374  C) rs . 495  D) rs . 315  E) none of the above

Rationale: "10 % interest per annum will be 5 % interest half yearly for 3 terms ( 1 1 / 2 years ) so compound interest = 2000 [ 1 + ( 5 / 100 ) ] ^ 3 - 2000 = 2000 [ ( 21 / 20 ) ^ 3 - 1 ] = 2000 ( 9261 - 8000 ) / 8000 = 2 * 1261 / 8 = 315 answer : d"
Answer: D