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## UGC NET Computer Science Paper 2 9 Consider the compound propositions given below as

**(a) p ∨ ~(p ∧ q)**

(b) (p ∧ ~q) ∨ ~(p ∧ q)

(c) p ∧(q ∨ r)

Which of the above propositions are tautologies?

(b) (p ∧ ~q) ∨ ~(p ∧ q)

(c) p ∧(q ∨ r)

Which of the above propositions are tautologies?

(A) (a) and (c)

(B) (b) and (c)

(C) (a) and (b)

(D) (a), (b) and (c)

By:scribed

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## Answers

All options wrong! Correct Answer is only (a)scribed

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