alleryA cyclist covers 12 km in 30 minutes. What is the average speed in km/h?
A12 km/h
B48 km/h
C36 km/h
D24 km/h
Answer & Solution
Correct answer: D. 24 km/h
30 minutes is half an hour, so 12 km per 0.5 h gives 24 km/h.
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