A train whose length is 210m, passes a telegraph pole in 7 seconds. Find the speed of the train in km/hr.
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Given
A train whose length is 150 m, passes a telegraph pole in 10 sec
So, distance =150 m
Time =10 sec
Hence,
Speed =150m/10sec
=15m/sec
=(15×60×60)/1000km/h
=(15×6×6)/10km/h
=3×3×6km/h
We get,
=54km/h
Hence, the speed of the train in kilometer per hour is 54 km/h
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