- A70 km/h
- B80 km/h
- C72 km/h
- D75 km/h
Step-by-Step Solution
Equal distances: average km/h. (75 is the plain mean, which is wrong here.)
Answer: C) 72 km/h
A train goes from Surat to Vadodara at 60 km/h and returns at 90 km/h. What is its average speed for the round trip?
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