Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: S = (100 + 300)/45 = 400/45 * 18/5 = 32
 The question and answer:
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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
The answer is (A)
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