- A14 km/h
- B16 km/h
- C14.4 km/h
- D15 km/h
Step-by-Step Solution
Equal distances call for the harmonic mean: km/h. (15 km/h is the ordinary mean of the two speeds.)
Answer: C) 14.4 km/h
A cyclist rides from Agra to a nearby village at 12 km/h and returns along the same road at 18 km/h. What is her average speed for the whole round trip?
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