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Walking at 7/8 of its usual speed, a train is 10 minutes too late. Find its usual time to cover the journey.

 

  • Option 1)

     

    90 min      

     

  • Option 2)

     

    70 min      

     

  • Option 3)

     

    50 min      

     

  • Option 4)

     

    40 min

     

  • Option 5)

     

    60 min       

     

Answers (1)

best_answer

            Initial        Final

Speed   8                7

Time      7                8

Time increased = 1unit => 10 minutes

Usual Time (7 units) = 10 x 7 => 70 minutes

Posted by

rishi.raj

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