What will be the compound interest on Rs. 40000 after 3 years at the rate of 12 % per annum	Pick.
A) rs 16123.20	B) rs 16123.30	C) rs 16197.12	D) rs 16123.50	E) none of these

Rationale: "explanation : ( 40000 × ( 1 + 12 / 100 ) 3 ) = > 40000 × 28 / 25 × 28 / 25 × 28 / 25 = > 56197.12 so compound interest will be 56197.12 - 40000 = rs 16197.12 option c"
Answer: C