Mathematics · Speed, Time and Distance
A man travelling in a train notices that he can count 21 telephone posts in 1 minute. If the poles are 50 m apart, then at what speed is the train travelling?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 165 km/h
- 260 km/h✓
- 321 km/h
- 450 km/h
Correct answer
60 km/h
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