Give stream of consciousness and then the final answer. A train 310 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) 36 sec\n(E) 60 sec
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Speed = 45 * 5/18 = 25/2 m/sec\nTotal distance covered = 310 + 140 = 450 m\nRequired time = 450 * 2/25 = 36 sec
The final answer: (D).
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