Multiple choice

A 260 meter long train is running at the speed of 43.2 km/h, crosses a platform in 43 seconds, find the length of the platform.

  1. 250 metre

  2. 248 metre

  3. 260 metre

  4. 256 metre

  5. None of these

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

Speed = 43.2 km/h = 43.2 × (5/18) = 12 m/s. Distance covered in 43 seconds = Speed × Time = 12 × 43 = 516 m. This distance equals train length + platform length. So platform = 516 - 260 = 256 m.