A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. the speed of the train is:

A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. the speed of the train is: (a) 45 km/hr (b) 50 km/hr (c) 54 km/hr (d) 55 km/hr

  • Sunil
  • 13 Sep
  • 3135 Views
  • 3 Answers
Your Answer

length of train =125 m
time to pass a man=10 seconds
the speed of the train calculated will be=(125/10)(metre/second);
now by converting it into km/hr we divide speed by (5/18)
speed of train=(125/10)*5/18=45 km/hr;

 

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