Q:
A train covers a distance of 12 km in 10 min. If it takes 6 sec to pass a telegraph post, the length of the train is
Answer & Explanation
Answer: C) 120 m
Explanation: Speed of the train = 12000 / 10*60 = 20 m/s
Length of the train = Speed X time = 20 X 6 = 120m
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