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Practice By Tag: The Principle of Inclusion and Exclusion

Question: 2015 Winter Final - 5

1 . In a group of 20 people,

6 are blond,
7 have green eyes,
11 are not blond and do not have green eyes.

How many people in this group are blond and have green eyes?

(a)

6

(b)

3

(c)

5

(d)

4