# 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?

 $\frac{\pi }{4}$ $\frac{{3\pi }}{2}$ $\frac{\pi }{2}$ $\pi$
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CAT Quant Practice Problems
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