Multiple choice

A train ,which is 150 m long passes a platform of 200 m in 15 seconds .What is the speed of the train?

  1. 36 km/hr.

  2. 84 km/hr.

  3. 64 km/hr.

  4. 91 km/hr.

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

Total distance = train length + platform length = 150 + 200 = 350 m. Speed = distance/time = 350/15 = 23.33 m/s. Converting to km/hr: 23.33 × (3600/1000) = 84 km/hr. The train must cover its own length plus the platform to completely pass it.