A train travels 180 km in 3 hours 45 minutes. Its average speed is:
Correct Answer: B. 48 km/h
3 hours 45 minutes = 3.75 hours; speed = 180/3.75 = 48 km/h.
3 hours 45 minutes = 3.75 hours; speed = 180/3.75 = 48 km/h.
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Correct answer: B. 48 km/h