. A boy walks to his school at a distance of 6km with a speed of 3km/h and walks back with a constant speed of 2km/h. His average speed for round trip in km/h is?
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a boy walks to his school at a distance of 6 km with a speedy of 3 km do average speed upon time so find of round trip
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Explanation:
2.4 hours. Going from school to home-.
Constant speed = 4km/h.
Distance = 6km.
Time taken = 6/4 · = 1.5 hours.
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