A man walks at 3 km/h for 2 hours and 4 km/h for 1 hour. Average speed?
A3.33 km/h
B3.5 km/h
C4 km/h
D7 km/h
Explanation
Total dist=6+4=10. Total time=3. Speed=10/3=3.33.
Exam Relevance
- Topic: Speed, Time & Distance
- Subtopic: Average Speed

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