A train 500 meters long is running with a speed of 44 kmph. The time taken by it to cross a tunnel 230 meters long is?\nOptions:\n(A) 287 sec\n(B) 288 sec\n(C) 48 sec\n(D) 61 sec\n(E) 17 sec Stream of consciousness:
User
D = 500 + 230 = 730\nS = 44 * 5/18 = 12 mps\nT = 730/12 = 61 sec
Thus, the answer is (D).
Assistant