A sum of money deposited at C.I. amounts to Rs.3650 in 2 years and to Rs.4015 in 3 years. Find the rate percent?	Pick one
A) 10 % B) 15 % C) 20 % D) 25 % E) 30 %

Rationale: "explanation : 3650 - - - - - - - - 365 100 - - - - - - - - ? ( 10 % ) answer : option a"
Answer: A