Student: In what time a sum of money double itself at 3% per annum simple interest?\nOptions:\n(A) 33 1/8%\n(B) 33 1/3%\n(C) 83 1/3%\n(D) 33 4/3%\n(E) 73 1/3%.
Another student: Let's say, hmmm...

User
P = (P*3*R)/100\nR = 33 1/3% Final answer: (B).
Assistant