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Two runners start together and run in opposite directions round a 400 m track at 6 m/s and 10 m/s. How far has the slower runner gone when they meet for the third time?

Competition practiceRaces & Circular Tracks
  • A450 m
  • B750 m
  • C400 m
  • D1200 m

Step-by-Step Solution

Three meetings mean they have together run 3 laps m at 16 m/s: 75 s. The slower runner covers m.
Answer: A) 450 m

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