how much interest can a person get on rs . 7200 at 17.5 % p . a . simple interest for a period of two years and 6 months ? Select:
A) rs . 4150  B) rs . 3850  C) rs . 3770  D) rs . 3150  E) none of these

Rationale: i = ( 7200 * 2.5 * 17.5 ) / 100 = ( 7200 * 5 * 35 ) / ( 100 * 2 * 2 ) = rs . 3150 answer : d
Answer: D