In what time a sum of money double itself at 3% per annum simple interest?  Choose the correct choice from the following options.
A) 33 1/8%	B) 33 1/3%	C) 83 1/3%	D) 33 4/3%	E) 73 1/3%
P = (P*3*R)/100   R = 33 1/3%   Answer:33 1/3%
<result>B</result>
In what time a sum of money double itself at 3% per annum simple interest?