How Much Time Taken by the Truck to Travel? If

A truck travels 90 km/hr for the first 3/2 hours. After that it travels 70 km/hr.  Find the time taken by the truck to travel 310 km.

  1. 2.5 hrs
  2. 3 hrs
  3. 3.5 hrs
  4. 4 hrs
Manish Listener Asked on 16th June 2015 in Maths.
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  • 1 Answer(s)

    Answer: (1) 2.5 hrs.
    Explanation:-
    Speed of a truck = 90 km/h
    Distance cover by a truck in 3/2 h = 90 x 3/2
    = 45 x 3  = 135 kms
    Total distance = 310 km
    Remaining distance = 310 – 135 = 175 km
    Time taken by a truck which is speed 70 mk/h = 175/70
    = 2.5 hrs.
    Hence, the answer is (1) 2.5 hrs.

    Anurag Mishra Professor Answered on 18th June 2015.
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