Mathematics · Average
Roshni travelled at a speed of 66 km/h while going from point A to point B and returned via the same route at a speed of 92.4 km/h. What was Roshni's overall average speed during the entire round-trip journey?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 178 km/h
- 279 km/h
- 379.2 km/h✓
- 477 km/h
Correct answer
79.2 km/h
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