If a student walks from his house to school at 5km/hr, he is late by 30 minutes. However, if he walks at 6 km/hr, he is late by 5 minutes only. The distance of his school from his house is

 

  • Option 1)

     

    2.5 km

     

  • Option 2)

     

    3.6 km

     

  • Option 3)

     

    11.5 km  

     

  • Option 4)

     

    12.5 km

     

  • Option 5)

     

    5.5 km       

     

Answers (1)

Speeds = 5: 6

Here the distance is the same in both the cases,

Time = 6: 5

Difference between the two times = 30 - 5 => 25 minutes

As per the given data,

1 unit = 25 minutes

6 units = 25 x 6 => 150 minutes or 5/2 hours

DIstance = 5 x 5/2 => 12.5 Km

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