Give a quick stream of consciousness before answering the following question. A train 360 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) 42 sec\n(C) 45 sec\n(D) 48 sec\n(E) 58 sec
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Speed = 45 * 5/18 = 25/2 m/sec\nTotal distance covered = 360 + 140 = 500 m\nRequired time = 500 * 2/25 = 40 sec
The answer: (A).
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