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.  Choose the correct choice from the following options.
A) 10 seconds  B) 12 seconds  C) 14 seconds  D) 16 seconds  E) None of these
Explanation:   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=100253=100   ∗   325=12sec   Answer: 12 seconds
<result>B</result>
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.