Question: A train 540 meters long is running with a speed of 54 kmph. The time taken by it to cross a tunnel 180 meters long is?\nOptions:\n(A) 66 sec\n(B) 46 sec\n(C) 48 sec\n(D) 65 sec\n(E) 64 sec Let's think first. Some random reasoning:
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D = 540 + 180 = 720\nS = 54 * 5/18 = 15 mps\nT = 720/15 = 48 se The final answer: (C).
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