Multiple choice

A 75 metre long train crosses a platform of equal length in 15 seconds.What is the speed of the train in metres/second?.

  1. 38

  2. 54

  3. 76

  4. 10
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D Correct answer
Explanation

The train covers its own length plus the platform length (75 + 75 = 150 meters) in 15 seconds. Speed = distance / time = 150 / 15 = 10 m/s.

AI explanation

When crossing a platform of equal length, the total distance the train covers is its own length plus the platform length. The total distance is 75 m plus 75 m, which equals 150 m. Using the formula speed equals distance divided by time, divide 150 m by the given time of 15 seconds. The speed of the train is 10 metres/second.

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