Use some thinking to answer the following question. In what time a sum of money double itself at 3% per annum simple interest?\nOptions:\n(A) 33 1/4%\n(B) 33 1/3%\n(C) 33 7/3%\n(D) 33 5/3%\n(E) 33 1/7%
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P = (P*3*R)/100\nR = 33 1/3% So the final answer is (B).
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