In how many years will a sum of money doubles itself at 10% per annum on simple interest?
Choose the correct choice from the following.
A) 70%
B) 20%
C) 10%
D) 28%
E) 20%
P = (P*10*R)/100   R = 10%   Answer:10%
<result>C</result>
In how many years will a sum of money doubles itself at 10% per annum on simple interest?