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Nikita starts jogging round a 500 m track at 3 m/s. One minute later Ojasvi follows from the same point at 5 m/s. How long after her own start does Ojasvi catch Nikita?

Competition practiceRaces & Circular Tracks
  • A90 s
  • B150 s
  • C250 s
  • D22.5 s

Step-by-Step Solution

Nikita's lead m. Ojasvi gains 2 m/s: s. (150 s counts from Nikita's start.)
Answer: A) 90 s

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