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Dear candidates you will find MCQ questions of Discrete Mathematics here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

Q. 1) A _______ is an ordered collection of objects.

(A) relation
(B) function
(C) set
(D) proposition
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Q. 2) Power set of empty set has exactly _____ subset.

(A) one
(B) two
(C) zero
(D) three
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Q. 3) The set O of odd positive integers less than 10 can be expressed by ___________

(A) {1, 2, 3}
(B) {1, 3, 5, 7, 9}
(C) {1, 2, 5, 9}
(D) {1, 5, 7, 9, 11}
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Q. 4) What is the cardinality of the set of odd positive integers less than 10?

(A) 10
(B) 5
(C) 3
(D) 20
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Q. 5) Which of the following two sets are equal?

(A) a = {1, 2} and b = {1}
(B) a = {1, 2} and b = {1, 2, 3}
(C) a = {1, 2, 3} and b = {2, 1, 3}
(D) a = {1, 2, 4} and b = {1, 2, 3}
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Q. 6) The set of positive integers is ________.

(A) infinite
(B) finite
(C) subset
(D) empty
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Q. 7) What is the Cardinality of the Power set of the set {0, 1, 2}.

(A) 8
(B) 6
(C) 7
(D) 9
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Q. 8) The members of the set S = {x x is the square of an integer and x < 100} is _________________.

(A) {0, 2, 4, 5, 9, 58, 49, 56, 99, 12}
(B) {0, 1, 4, 9, 16, 25, 36, 49, 64, 81}
(C) {1, 4, 9, 16, 25, 36, 64, 81, 85, 99}
(D) {0, 1, 4, 9, 16, 25, 36, 49, 64, 121}
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Q. 9) The union of the sets {1, 2, 5} and {1, 2, 6} is the set _______________.

(A) {1, 2, 6, 1}
(B) {1, 2, 5, 6}
(C) {1, 2, 1, 2}
(D) {1, 5, 6, 3}
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Q. 10) The intersection of the sets {1, 2, 5} and {1, 2, 6} is the set ___________.

(A) {1, 2}
(B) {5, 6}
(C) {2, 5}
(D) {1, 6}
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