At what speed in km/h is a train travelling if it's covering 45 m ever – InterviewSolution

1.	At what speed in km/h is a train travelling if it's covering 45 m every 9 seconds
Answer» N:-given--> d = 45M = 0.045km & t = 9sec = 0.0025As, Formula : speed = DISTANCE / time speed = 0.045 / 0.0025 speed = 18 km/h

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