CAT Quant Practice Problems

Question: The figure below shows two concentric circles with centre O. PQRS is a square inscribed in the outer circle. It also circumscribes the inner circle, touching it at points B, C, D and A. What is the ratio of the perimeter of the outer circle to that of polygon ABCD?

  1. \(\frac{\pi }{4}\)
  2. \(\frac{{3\pi }}{2}\)
  3. \(\frac{\pi }{2}\)
  4. \(\pi \)

Correct Option:3

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