A train 160 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?\nOptions:\n(A) 40 sec\n(B) 50 sec\n(C) 44 sec\n(D) 24 sec\n(E) 60 sec OK. Let's think. Some random thoughts first:
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Speed = 45 * 5/18 = 25/2 m/sec\nTotal distance covered = 160 + 140 = 300 m\nRequired time = 300 * 2/25 = 24 sec The answer: (D).
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