In the following Venn diagram, identify the politicians from urban areas who are corrupt.

10
From the Venn diagram, the region representing politicians from urban areas who are corrupt is section 9, as it is the overlap between "Politician" and "Urban people" that also lies inside the "Corrupt people" category. Thus, the answer is (c) 9.
Instead of naming the region directly, check what each candidate number would have to represent and rule out the ones that fail one of the three conditions.
Only the region common to all three circles correctly represents politicians from urban areas who are corrupt.
Hence, the correct answer is 9.

