alleryA cyclist at 12 km/h gets a 2 h lead. A bike follows at 18 km/h. Catch-up time?
A3 hours
B4 hours
C6 hours
D2 hours
Answer & Solution
Correct answer: B. 4 hours
The cyclist's lead is 12 × 2 = 24 km and the bike gains 18 − 12 = 6 km each hour, catching up in 24 ÷ 6 = 4 hours.
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