A train 150 meters long passes a telegraph pole in 9 seconds. What is the speed of the train in km/h?
A50 km/h
B60 km/h
C66 km/h
D72 km/h
Explanation
Speed = Distance / Time = 150 / 9 = 50/3 m/s. Converting to km/h by multiplying by 18/5: Speed = (50/3) × (18/5) = 10 × 6 = 60 km/h.
Exam Relevance
- Topic: Speed, Time & Distance
- Subtopic: Train Problems
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