If Re.50 amounts to Rs.250 over a period of 30 years. What is the rate of simple interest?	Choose the correct choice from the following answers
A) 13.99%	B) 13.66%	C) 13.33%	D) 13.44%	E) 13.55%
200 = (50*30*R)/100   R = 13.33%   Answer:13.33%
<result>C</result>
If Re.50 amounts to Rs.250 over a period of 30 years. What is the rate of simple interest?