Question:
A person travels from A to B at 40 km/h and returns at 60 km/h. The average speed for the entire journey is:
A person travels from A to B at 40 km/h and returns at 60 km/h. The average speed for the entire journey is:
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Use harmonic mean for equal distance journeys.
Updated On: Jan 5, 2026
- 50 km/h
- 48 km/h
- 52 km/h
- 45 km/h
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
\[
v_{\text{avg}}=\frac{2ab}{a+b}=\frac{2\times40\times60}{100}=48\ \text{km/h}
\]
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