Give a quick stream of consciousness before answering the following question. A 180 meter long train crosses a man standing on the platform in 9 sec. What is the speed of the train?\nOptions:\n(A) 72\n(B) 108\n(C) 1266\n(D) 188\n(E) 211
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S = 180/9 * 18/5 = 72 kmph
The answer: (A).
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