Use reasoning to answer the following question.
In what time a sum of money double itself at 3% per annum simple interest?\nOptions:\n(A) 33 1/9%\n(B) 33 1/3%\n(C) 33 7/3%\n(D) 33 2/3%\n(E) 33 8/3%

(B)
P = (P*3*R)/100\nR = 33 1/3%.

So, the final answer is (B)