A man completes 30 km of a journey at 6 km/hr and the remaining 40 km of the journey in 5 hours. His average speed for the whole journey is

 

  • Option 1)

     

    6 km/hr

     

  • Option 2)

     

    7 km/hr   

     

  • Option 3)

     

    7\frac{1}{2}km/hr

     

  • Option 4)

     

    8 km/hr

     

  • Option 5)

     

    6\frac{4}{11}km/hr

     

Answers (1)

Average Speed = Total Distance/ Total Time

                           = 70/11

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