Math, asked by kashyapprithvipdparp, 1 year ago

A person standing on a railway platform noticed that a train took 21 secs to completely pass through the platform which was 84m long and it took 9 seconds in passing him. find the speed of the train in km/hr

Answers

Answered by saumysharan25

4

According to me answer would be 226.8 km/hr

Rest solution in photo.
Hope it helps!

Thanx!

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