Mathematics for IGCSE & O level - Rates (Section 2 - No. 24)
A cyclist rides 0.6 kilometers in 3 minutes. What is the average speed in kilometers per hour?
8 km/h
10 km/h
12 km/h
15 km/h
Explanation
Speed = Distance / Time. 3 minutes = 3/60 = 0.05 hours. Speed = 0.6 km / 0.05 hours = 12 km/h
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