Question

If $p$ and $q$ are two statement then ($p\leftrightarrow q$) is true when

• 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.

Answer 1

Answer: (A), (B)

The correct options are
A $p$ and $q$ both are true.
B $p$ and $q$ both are false.

Truth table is,

$p$	$q$	$p\leftrightarrow q$
T	T	T
T	F	F
F	T	F
F	F	T

We can see the answer from the table