Imagine a question and stream-of-consciousness explanation for which this is the answer: (C)
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Question: A train 240 m in length crosses a telegraph post in 16 seconds. The speed of the train is?
Options:
(A) 22
(B) 71
(C) 54
(D) 77
(E) 99
Stream-of-consciousness: S = 240/16 * 18/5 = 54 kmph
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