In how many years will a sum of money doubles itself at 25% per annum on simple interest?
Choose the correct choice from the following options:
A) 4%  B) 8%  C) 10%  D) 12%  E) 15%
P = (P*25*R)/100   R = 4%   4%nswer:4%
<result>A</result>
In how many years will a sum of money doubles itself at 25% per annum on simple interest?