If rupee one produces rupees nine over a period of 54 years, find the rate of simple interest?\nOptions:\n(A) 22 1/7 %\n(B) 22 3/2 %\n(C) 22 1/8 %\n(D) 22 1/2 %\n(E) 16 2/3 % OK. Let's think. Some random thoughts first:
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9 = (1*54*R)/100\nR = 16 2/3 % The answer: (E).
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