A train running at the speed of 60 km/hr crosses a pole in 3 sec. What is the length of the train?\nOptions:\n(A) 85 m\n(B) 70 m\n(C) 115 m\n(D) 50 m\n(E) 150 m Think first, then make a decision. Some random thoughts:
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Speed = 60 * 5/18 = 50/3 m/sec\nLength of the train = speed * time = 50/3 * 3 = 50 m So the answer is (D).
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