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 ?
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
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