A) \[(p\wedge q)\]
B) \[(p\vee q)\wedge \tilde{\ }r\]
C) \[\tilde{\ }(q\wedge r)\vee p\]
D) \[\tilde{\ }p\vee (q\wedge r)\]
E) \[p\to (q\wedge r)\]
Correct Answer: D
Solution :
\[\because \]\[p:4\]is an even prime number \[q:6\]is a divisor of 12 and\[r:\]the HCF of 4 and 6 is 2 \[\therefore \] \[\tilde{\ }p\vee (q\wedge r)\] is true.
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