Question

A train travels from Agra to Delhi with a constant speed of 60km per hour and returns from Delhi to Agra with a constant speed of 50 km per hour.find the average speed of the train

please tell fast​

Answer 1

Answer:

Each km takes 1/60 hour going towards Delhi and 1/80 hour going back along the same km towards Agra for a total of 1/60 + 1/80 hour to travel a distance of 2 km. So the average speed is Distance/Time = 2 km/(1/60 + 1/80 hour) = 68.57 km/hour.

Explanation:

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Answer 2

Answer:

ExplanaEach km takes 1/60 hour going towards Delhi and 1/80 hour going back along the same km towards Agra for a total of 1/60 + 1/80 hour to travel a distance of 2 km. So the average speed is Distance/Time = 2 km/(1/60 + 1/80 hour) = 68.57 km/hour.

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