A car travels the first 60 km of its journey at an average speed of 40 km/h. It then travels the next 60 km at an average speed of 60 km/h. Find its average speed for the entire 120 km journey?
- 47 km/h
- 46 km/h
- 48 km/h
- None of these
Explanation
Average speed = Total distance / Total time
Time 1 = 60 / 40 = 1.5 h
Time 2 = 60 / 60 = 1 h
Total time = 2.5 h
Average = 120 / 2.5 = 48 km/h
Last verified on 06-10-2026
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