11. What is the cardinality of A = { 5, 6, 3, 2, 3}?
A 3
B. 4
C. 5
D. 6
12. If P = {p/p is a prime number less than 10 }, then what are the possible elements of P?
A. {2, 3, 5, 7} B. {1, 2, 3, 5, 7} C. {2, 3, 5, 7,9} D. {1, 2, 3, 5, 7, 9}
13. If M represents the set of even numbers, then which of the following is CORRECT?
A{ } SM
B. 200 ¢ M
C. { 1,3} =M
D. {2, 4, 5 } CM
What is an example of disjoint sets?
A. E = {even numbers) and F = {odd numbers}
C. C = {even numbers) and D = {multiples of nine}
B. G = {multiples of five) and H = {multiples of ten} D. A = {multiples of two} and B = {multiples of three}
15. How many subsets does the set containing 10 elements have?
A. 128
B. 256
C. 512
D. 1,024
16. What is the symbol used for intersection?
A. U
B. n
C. 5
D. E
17. What is the complement of ø?
B. {1}
C. U
D. {0}
18. What is the meaning of the difference of P and Q"?
A. The set of elements in P but not in Q.
C. The set of elements in the universe that not in P and Q.
B. The set of elements is common to both P and Q.
D. The set of elements that is in Por Q or both P and Q.
19. What is the complement of {3, 4], if U = {1, 2, 3, 4}?
A{ }
B.{0}
C.{1}
D.{1,2}
20. What is A UB, if A= {0, 2, 3, 4, 9, 11} and B = {2, 3, 6, 8, 9, 10}?
A. {0,4 11} B. {2,3,6,9}
C. {6, 8, 9, 10, 11} D. {0, 2, 3, 4, 6, 8, 9, 10, 11}
A {}​