Q: A train 210 m long, running with a speed of 63 km/hr will pass a tree in?\nOptions:\n(A) 18 sec\n(B) 16 sec\n(C) 76 sec\n(D) 12 sec\n(E) 17 sec Let's give some random thoughts before answering.
User
Speed = 63 * 5/18 = 35/2 m/sec\nTime taken = 210 * 2/35 = 12 sec
Therefore, the answer is (D).
Assistant