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Multiple choice

If a train of 250 meters length crosses a pole in 12 seconds, the speed of that train is in km per hour

  1. 7.5

  2. 75

  3. 25

  4. 50

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When a train crosses a pole, it covers distance equal to its length. Speed = 250/12 m/s = 20.83 m/s. Convert to km/h: multiply by 18/5, giving 20.83 × 3.6 = 75 km/h.

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