A) If a number is not a prime then it is odd
B) If a number is not a prime then it is odd
C) If a number is not odd then it is not a prime
D) If a number is not odd then it is a prime
Correct Answer: B
Solution :
p : A number is a prime. Q : It is odd. We have p Þ q The inverse of p Þ q is \[\tilde{\ }p\Rightarrow \,\tilde{\ }q\] i.e., If a number is not a prime then it is not odd.
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