Give a quick stream of consciousness before answering the following question. A train running at the speed of 60 km/hr crosses a pole in 21 sec. What is the length of the train?\nOptions:\n(A) 350 m\n(B) 490 m\n(C) 115 m\n(D) 210 m\n(E) 150 m
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Speed = 60 * 5/18 = 50/3 m/sec\nLength of the train = speed * time = 50/3 * 21 = 350 m
The answer: (A).
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