A train 100 meters long completely crosses a 300 meters long bridge in 45 seconds. What is the speed of the train is?
Options:
(A) 32
(B) 545
(C) 88
(D) 66
(E) 09 Think first, then make a decision. Some random thoughts:
S = (100 + 300)/45 = 400/45 * 18/5 = 32 So the answer is (A).