2021 · Q79
A train 200 m long passes a platform 100 m long in 10 seconds. What is the speed of the train?
Elementary MathematicsTime, Speed and Distance
- A40 m/s
- B30 m/s
- C25 m/s
- D20 m/s
Explanation
The train must cover its own length plus the platform: 200 + 100 = 300 m in 10 s. Speed = 300/10 = 30 m/s. Hence option B.