Question: In what time will a railway train 70 m long moving at the rate of 36 kmph pass a telegraph post on its way?\nOptions:\n(A) 5 sec\n(B) 4 sec\n(C) 3 sec\n(D) 7 sec\n(E) 1 sec Let's think first. Some random reasoning:
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T = 70/36 * 18/5 = 7 sec The final answer: (D).
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