If Re.100 amounts to Rs.300 over a period of 10 years. What is the rate of simple interest? Choose the correct choice from the following answers:
A) 20%  B) 30%  C) 15%  D) 10%  E) 12%
200 = (100*10*R)/100   R = 20%   20%nswer:20%
<result>A</result>
If Re.100 amounts to Rs.300 over a period of 10 years. What is the rate of simple interest?