Mathematics, 01.08.2019 22:30 ben3898

Atrain runs for 3 hours at a speed of 55 km per hour and for the next 2 hours at a speed of 65 km per hour. find the average speed of the train for the 5 hours journey.

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Atrain runs for 3 hours at a speed of 55 km per hour and for the next 2 hours at a speed of 65 km pe...

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