A train moves a past a telegraph post and a bridge 264 m long in 8 seconds and 20 seconds respectively. What is the speed of the train?

 

  • Option 1)

     

    70.6 km/hr

     

  • Option 2)

     

    70 km/hr

     

  • Option 3)

     

    79 km/hr

     

  • Option 4)

     

    79.2 km/hr

     

  • Option 5)

     

    69.5 km/hr

     

Answers (1)

Speed = 264/12 => 24m/s or 22 x 18/5 => 79.2 K/hr

 

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