A man started running at a distance of 225 metre from the train. If the speed of the man is 6 km/h, then how much time should the train wait so that the man will be just able to catch it ?\nOptions:\n(A) 2 1⁄4 min\n(B) 3 min\n(C) 4 1⁄4 min\n(D) 4 1⁄2 min\n(E) None of these Stream of consciousness first, then make a decision:
User
Time = 225/6×518 = 135 sec = 21⁄4 min.
Thus, the answer is (A).
Assistant