Give a quick stream of consciousness before answering the following question. A train 520 meters long is running with a speed of 34 kmph. The time taken by it to cross a tunnel 280 meters long is?\nOptions:\n(A) 287 sec\n(B) 89 sec\n(C) 48 sec\n(D) 16 sec\n(E) 17 sec
User
D = 580 + 280 = 800\nS = 34 * 5/18 = 9 mps\nT = 800/9 = 89 sec
The answer: (B).
Assistant