What is the rate percent when the simple interest on Rs.800 amount to Rs.400 in 2 Years?	Pick one
A) 5 % B) 6 % C) 2 % D) 25 % E) 1 %

Rationale: interest for 2 yrs = 400 interest for 1 yr = 200 interest rate = 200 / 800 x 100 = 25 % answer : d
Answer: D