A 600 meter long train crosses a signal post in 40 seconds. How long will it take to cross a 3 kilometer long bridge, at the same speed?\nOptions:\n(A) 4 min\n(B) 8 min\n(C) 9 min\n(D) 6 min\n(E) 1 min Stream of consciousness:
User
S = 600/40 = 15 mps\nS = 3600/15 = 240 sec = 4 min
Thus, the answer is (A).
Assistant