If rupee one produces rupees nine over a period of 40 years, find the rate of simple interest?
Pick:
A) 22 1/8 %
B) 22 3/2 %
C) 28 1/2 %
D) 22 1/2 %
E) 32 1/2 %
9 = (1*40*R)/100   R = 22 1/2 %   Answer:22 1/2 %
<result>D</result>
If rupee one produces rupees nine over a period of 40 years, find the rate of simple interest?