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Two runners go round a 300 m circular track in opposite directions at 7 m/s and 3 m/s for 5 minutes. How many times do they meet in that time?

Competition practiceRaces & Circular Tracks
  • A9
  • B11
  • C4
  • D10

Step-by-Step Solution

They meet every s. In 300 s: meetings. (4 would be for the same direction.)
Answer: D) 10

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