Math 121 Extra Practice Problems: Sets and Venn Diagrams
1)
Consider the Venn diagram above. The disjoint regions are numbered. What region(s)
correspond to the following? Note that if there is no region that corresponds to the below,
then the set is empty.
a.
A
∪ C’
b.
B ∩ (A ∪ C)
c.
A’ ∩ B’ ∩ C’
d.
(A
∪ B) ∩ U
e.
U
∪ (A ∩ C’)
f.
A ∩
(A
’ ∩
B)
2)
Consider the Venn diagram above again, and this time, let U = {students in the Isenberg
School of Management}. Suppose A = {Isenberg students taking Math 121}, B = {Isenberg
students taking Econ 104}, and C = {Isenberg students taking Accounting 221}.
a.
What region(s) corresponds to the set {Isenberg students taking only Econ 104 or
taking only Accounting 221}?
b.
What region(s) corresponds to the set {Isenberg students taking Math 121 and
taking Accounting 221 but not taking Econ 104}?
c.
What region(s) corresponds to the set {Isenberg students not taking Math 121, Econ
104, or Accounting 221}?
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 Fall '10
 Beaulieu
 Set Theory, Sets, Probability, Isenberg students

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