A train 175 m long, running with a speed of 63 km/hr will pass a tree in?\nOptions:\n(A) 22 sec\n(B) 16 sec\n(C) 17 sec\n(D) 88 sec\n(E) 10 sec
Let's be accurate as possible and think first.
(E)
Speed = 63 * 5/18 = 35/2 m/sec\nTime taken = 175 * 2/35 = 10 sec.

The answer: (E)