A) p and q both are true
B) p and q both are false
C) p is false and q is true
D) None of these
Correct Answer: C
Solution :
We know that \[p\leftrightarrow q\]is true if p and q both are true or false. So \[p\leftrightarrow \,\,\tilde{\ }q\]is true when if p and \[\tilde{\ }q\] is true. i.e., p is true and q is false. or p and \[\tilde{\ }q\] is false, i.e. p is false and q is true. Hence, option is correct
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