Q: At what rate percent on simple interest will a sum of money double itself in 30 years?\nOptions:\n(A) 3 1/3%\n(B) 3 1/8%\n(C) 3 7/3%\n(D) 3 1/7%\n(E) 3 1/1% Let's give some random thoughts before answering.
User
P = (P*30*R)/100\nR = 3 1/3%
Therefore, the answer is (A).
Assistant