JEE Main On 08 April 2018 Question 12

Question: The Boolean expression $ \sim (p\vee q)\vee (\sim p\wedge q) $ is equivalent to: [JEE Main Online 08-04-2018]

Options:

A) q

B) $ \tilde{\ }q $

C) $ \tilde{\ }p $

D) p

Show Answer

Answer:

Correct Answer: C

Solution:

$ \tilde{\ }(p\vee q)\vee (\tilde{\ }p\wedge q) $ $ (\tilde{\ }p\wedge \tilde{\ }q)\vee (\tilde{\ }p\wedge q) $

Demorgans Laws $ \tilde{\ }p\wedge (\tilde{\ }q\vee q) $

Distribution Law $ \tilde{\ }p\wedge T $ $ \tilde{\ }p $