A) \[(p\wedge q)\]
B) \[(p\vee q)\wedge \tilde{\ }r\]
C) \[\tilde{\ }(q\wedge r)p\]
D) \[\tilde{\ }p\vee (q\wedge r)\]
Correct Answer: D
Solution :
[d] Given that 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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