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 :
[c] We know that \[p\leftrightarrow q\] is true if p and q both are true of 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.
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