if a person goes from town A to town B by a speed of 50km/h and comes back with a speed of 150km/h then the average speed of the person is
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total distance traveled by the person =150km+50km= 200km
total time taken = 1 hour + 1 hour = 60 minutes + 60min = 120 minutes
average speed=200/120min
=5km/3 minutes
hence average speed of the person = 5km per 3 min
total time taken = 1 hour + 1 hour = 60 minutes + 60min = 120 minutes
average speed=200/120min
=5km/3 minutes
hence average speed of the person = 5km per 3 min
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