In what time a sum of money double itself at 4% per annum simple interest?	Choose the correct answer.
A) 25%	B) 33 1/3%	C) 83 1/3%	D) 33 4/3%	E) 73 1/3%
P = (P*4*R)/100   R = 25%   25%nswer:25%
<result>A</result>
In what time a sum of money double itself at 4% per annum simple interest?