A train travels a distance of 20 km with a uniform speed of 60km/hr. It travels another distance 40km/hr with a uniform speed of 80km/hr.Calculate the average speed of the train.
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average speed=Total time/total distance
={(60*20)+(40*80)}/(20+40)
={1200+3200}/60
=4400/60
=440/6
=73.33km/hr.
={(60*20)+(40*80)}/(20+40)
={1200+3200}/60
=4400/60
=440/6
=73.33km/hr.
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