A train 150 m long passes a telegraph post in 9 seconds. What is the speed of the train in km/h?
A50 km/h
B60 km/h
C72 km/h
D80 km/h
Explanation
Speed = Distance / Time = 150 / 9 m/s = 50/3 m/s. In km/h = (50/3) * (18/5) = 60 km/h.
Exam Relevance
- Topic: Speed, Time & Distance
- Subtopic: Trains

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