Math, asked by amit6538, 1 year ago

a train cover the first half of journey 50km/hand next half cover with 30km/h calculate the average speed of the whole journey

Answers

Answered by aman240292

1

Step-by-step explanation:

Formula for such questions=2xy/x+y

=2(50)(30)/50+30

=3000/80

=37.5kmph

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