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Rafi and Zoya cycle the same way round a track at 13 km/h and 9 km/h from the same point. Rafi has ridden 6.5 km when he laps Zoya for the second time. How long is the track?

Competition practiceRaces & Circular Tracks
  • A1 km
  • B2 km
  • C0.5 km
  • D3.25 km

Step-by-Step Solution

Rafi has ridden for h, gaining km. Two laps gained km, so the track is 1 km.
Answer: A) 1 km

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