Discrete Structure (DS) MCQs | Page - 19
Dear candidates you will find MCQ questions of Discrete Structure (DS) 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.
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Q. If R is a relation “Less Than” from A = {1,2,3,4} to B = {1,3,5} then RoR-1 is
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Q. A relation that is reflexive, anti-symmetric and transitive is a
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Q. Let f : X →Y and g : Y → Z. Let h = go f : X → Z. Suppose g is one-to-one and onto. Which of the following is FALSE?
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Q. Domain and Range of the function Y = –v(–2x + 3) is
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Q. The relation { (1,2), (1,3), (3,1), (1,1), (3,3), (3,2), (1,4), (4,2), (3,4)} is
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Q. A partial ordered relation is transitive, reflexive and
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Q. Find the number of relations from A = {cat, dog, rat} to B = {male , female}
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Q. Let A = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16} and consider the divides relation on A. Let C denote the length of the maximal chain, M the number of maximal elements, and m the number of minimal elements. Which is true?
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Q. Consider the binary relation R = {(x,y), (x,z), (z,x), (z,y)} on the set {x,y,z}. Which one of the following is TRUE?
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Q. Let S be a set of n elements. The number of ordered pairs in the largest and the smallest equivalence relations on S are:
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