Multiple choice

A 160 m. long train crosses a 146 m. long platform in 20.4 seconds. What is the speed of the train?

  1. 45 km./hr.

  2. 60 km./hr.

  3. 54 km./hr.

  4. 68 km./hr.

  5. None of these

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

When a train crosses a platform, total distance covered = train length + platform length = 160 + 146 = 306 m. Speed = distance / time = 306 / 20.4 = 15 m/s. Converting to km/hr: 15 × 18/5 = 54 km/hr.