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20 questions
If U = {1, 3, 5, 7, 9, 11, 13}, then which of the following are subsets of U.
A = {2, 4}
B = {13, 7, 9, 11, 5, 3, 1}
C = {2, 3, 4, 5}
D = {0}
True or False: Let P = {3, 5, 7, 9, 11} Q = {9, 11, 13} R = {3, 5, 9} S = {13, 11} then R ⊂ P
True
False
True or False: Let P = {3, 5, 7, 9, 11} Q = {9, 11, 13} R = {3, 5, 9} S = {13, 11} then Q ⊂ P
True
False
True or False: Let P = {3, 5, 7, 9, 11} Q = {9, 11, 13} R = {3, 5, 9} S = {13, 11} then R ⊂ S
True
False
True or False: Let P = {3, 5, 7, 9, 11} Q = {9, 11, 13} R = {3, 5, 9} S = {13, 11} then S ⊂ Q
True
False
True or False: Let P = {3, 5, 7, 9, 11} Q = {9, 11, 13} R = {3, 5, 9} S = {13, 11} then S ⊂ P
True
False
Which number is placed incorrectly?
5
-9
-4.3
Which of the following is rational?
.218945627890700766........
$3\pi$
$5.\overline{9}$
$\sqrt{21}$
What type of set is denoted as either { } or ∅?
Superset
Empty (or Null) Set
Disjointed Set
Subset
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