CAT Quant Practice Problems

Question: Let C be a circle with centre P0 and AB be a diameter of C. Suppose P1 is the midpoint of the line segment P0B, P2 is the midpoint of the line segment P1B and so on. Let C1, C2, C3, ... be circles with diameters P0P1, P1P2, P2P3... respectively. Suppose the circles C1, C2, C3, ... are all shaded. The ratio of the area of the unshaded portion of C to that of the original circle is

8:9
9:10
10:11
11:12
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CAT Quant Practice Problems
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