In what time a sum of money double itself at 3% per annum simple interest?\nOptions:\n(A) 33 1/7%\n(B) 33 1/3%\n(C) 33 1/2%\n(D) 33 7/3%\n(E) 33 5/3% OK. Let's think. Some random thoughts first:
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P = (P*3*R)/100\nR = 33 1/3% The answer: (B).
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