CAT Quant Practice Problems

Question: Each side of a given polygon is parallel to either the X or the Y axis. A corner of such a polygon is said to be convex if the internal angle is 90° or concave if the internal angle is 270°. If the number of convex corners in such a polygon is 25, the number of concave corners must be
  1. 20
  2. 0
  3. 21
  4. 22

Correct Option:3

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CAT Quant Practice Problems
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