- A42 km/h
- B50 km/h
- C40 km/h
- D45 km/h
Step-by-Step Solution
Times: 2 h and 1 h. Average km/h. (45 km/h is the plain mean of the speeds.)
Answer: C) 40 km/h
A train covers 60 km at 30 km/h and the next 60 km at 60 km/h. What is its average speed for the 120 km?
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