A train is 100 meter long and is running at the speed of 30 km per hour. Find the time it will take to pass a man standing at a crossing.
A. 10 seconds
B. 12 seconds
C. 14 seconds
D. 16 seconds
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Correct Answer : B.
As we need to get answer in seconds, so never forget to convert speed into meter per second. Speed = 30 km/hr = 30* 5/18 m/sec = 25/3 m/sec Distance = length of train = 100 meter Required time =DistanceSpeed