Q: A train 90 meters long is running with a speed of 54 kmph. The time taken by it to cross a tunnel 120 meters long is?\nOptions:\n(A) 29\n(B) 18\n(C) 14\n(D) 99\n(E) 13 Let's give some random thoughts before answering.
User
D = 90 + 120 = 210\nS = 54 * 5/18 = 15 mps\nT = 210/15 = 14 se
Therefore, the answer is (C).
Assistant