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A truck covers a distance of 420 km in a certain amount of time at the speed of 70 kmph. What is the average speed of the hike that travels…

102015Medium 1 reply 1,156 views
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A truck covers a distance of 420 km in a certain amount of time at the speed of 70 kmph. What is the average speed of the hike that travels a distance of 36 km less than the truck in the same time ?
  • A62 kmph
  • B64 kmph
  • C66 kmph
  • D68 krnph
Answer not set

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CCommunity
Solution
Distance covered by Hike = 420 -36 = 384 km
Time taken by Hike = $\frac{420}{70}$ = 6 hrs
Speed of Hike = $\frac{384}{6}$ = 64 kmph