A car covers a distance of 720 km at a constant speed. If the speed of the car would have been 10 km/hr more, then it would have taken 1 hrs less to cover the same distance. What is the original speed of the car?

 

  • Option 1)

     

    90 km/hr    

     

  • Option 2)

     

    80 km/hr     

     

  • Option 3)

     

    85 km/hr     

     

  • Option 4)

     

    73 km/hr

     

  • Option 5)

     

    75 km/hr

     

Answers (1)

Hit & trial is the best way to solve this,

As per that, 80 km speed is satisfying the condition.

Thus, 80 Km/hr is the correct answer.

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