A train crosses a platform 100 m long in 60 seconds at a speed of 45 km/hr. The time taken by the train to cross an electric pole is:

 

  • Option 1)

     

    1 minute

     

  • Option 2)

     

    52 sec

     

  • Option 3)

     

    1.5 minute

     

  • Option 4)

     

    Data inadequate

     

  • Option 5)

     

    8 sec

     

Answers (1)

Total Distance covered = 45 x 5/18 x 60 => 750

Trains Length = 750 - 100 => 650

Time taken by train to cross electric pole = 650/(45 x 5/18) => 52 seconds

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