Math, asked by Avanish2005, 11 months ago

A train travels some distance with a speed of 30km/hr and returns with a speed of 45km/hr. Calculate the average speed of the train.

Answers

Answered by laukik12

Answer:

1/2×(30+45)

75/2

37.5

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Answered by Starmachine

Step-by-step explanation:

let total distance be 2x , time for going will be X/35 and time on return will be X/45 , total time will be 80x/1575. so AVG .speed will be 2X*1575/80X

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