If Re.1 amounts to Rs.9 over a period of 20 years. What is the rate of simple interest?
Answers: A) 27 B) 29 C) 26 D) 40 E) 12
8 = (1*20*R)/100   R = 40%.Answer: 40
<result>D</result>
If Re.1 amounts to Rs.9 over a period of 20 years. What is the rate of simple interest?