- A45 km/h
- B40 km/h
- C55 km/h
- D50 km/h
Step-by-Step Solution
Relative speed = km/h. Train = km/h. (45 km/h is only the relative speed.)
Answer: D) 50 km/h
A train 125 m long overtakes a man walking at 5 km/h in the same direction in 10 seconds. What is the speed of the train?
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