Math, asked by shajikredkm, 11 hours ago

train covers half of its journey with a speed of 30 metre per second and the other half with a speed of 40 metre per second calculate the average speed of the train

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Answered by KrithikaQueen

1

Step-by-step explanation:

verified answer only no worng

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Answered by manya057111

3

right answer☝️

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