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The contrapositive of (pq)r is

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By Expert Faculty of Sri Chaitanya
a
r→(p∨q)
b
~r→(p∨q)
c
~r→(~p∧~q)
d
p→(q∨r)
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detailed solution

Correct option is C

Contrapositive of p→q is ~q→∼pTherefore, contrapositive of (p∨q)→r is~r→~(p∨q)   ≡∼r→(~p∧~q)


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