In what time a sum of money double itself at 5% per annum simple interest?
Pick one:
A) 33 1/8%
B) 33 1/3%
C) 33 7/3%
D) 32 1/3%
E) 20%
P = (P*5*R)/100   R = 20%   Answer: 20%
<result>E</result>
In what time a sum of money double itself at 5% per annum simple interest?