Math, asked by priya9994, 6 months ago

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Answered by subrat76dash

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Answered by psychogirl85

speed of train=42 km/hr

length of train = 280 Meyers

we know time=distance / speed

therefore time= 280 m/ 42 km/hr

now we have to convert speed from kilometres to Metres = (42 × 5)/18

therefore time =280 m /(210/18)

time= ( 280×18)/210=5040/210=24 seconds

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