Give a quick stream of consciousness before answering the following question. How many seconds will a train 100 meters long take to cross a bridge 170 meters long if the speed of the train is 36 kmph?\nOptions:\n(A) 54 sec\n(B) 65 sec\n(C) 25 sec\n(D) 45 sec\n(E) 27 sec
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D = 100 + 170 = 270\nS = 36 * 5/18 = 10 mps\nT = 270/10 = 27 sec
The answer: (E).
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