In what time a sum of money double itself at 6% per annum simple interest?\nOptions:\n(A) 33 1/8%\n(B) 16 2/3%\n(C) 33 7/3%\n(D) 32 1/3%\n(E) 23 1/3%
Let's be accurate as possible. Think before you answer.
(B)
P = (P*6*R)/100\nR = 16 2/3%.

So, the final answer is (B)