UGC-NET | UGC NET CS 2016 July – II | Question 3

Suppose that R1 and R2 are reflexive relations on a set A. Which of the following statements is correct ?
(A) R1 ∩ R2 is reflexive and R1 ∪ R2 is irreflexive.
(B) R1 ∩ R2 is irreflexive and R1 ∪ R2 is reflexive.
(C) Both R1 ∩ R2 and R1 ∪ R2 are reflexive.
(D) Both R1 ∩ R2 and R1 ∪ R2 are irreflexive.


Answer: (C)

Explanation:

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