A train 100 meters long completely crosses a 300 meters long bridge in 45 seconds. What is the speed of the train is?\nOptions:\n(A) 32\n(B) 545\n(C) 88\n(D) 66\n(E) 09
Let’s work this out in a step by step way to be sure we have the right answer.
(A)
S = (100 + 300)/45 = 400/45 * 18/5 = 32.

Therefore, the answer is (A)