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Practice mode Time and Distance

A train 240 m long running at 72 km/h crosses a platform 160 m long. How long does it take?

Correct answer C. 20 seconds

Explanation

Speed = 72 × 5/18 = 20 m/s. Distance = train + platform = 400 m, so time = 400 / 20 = 20 seconds.

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