Negation of the statement : - $\sqrt{5}$ is an integer or $5$ is irrational is
$\sqrt{5}$ is an integer or $5$ is irrational is
$\sqrt{5}$ is not an integer and $5$ is not irrational
$\sqrt{5}$ is an integer and $5$ is irrational
$\sqrt{5}$ is not an integer or $5$ is not irrational
Which Venn diagram represent the truth of the statements “No child is naughty”
Where $U$ = Universal set of human beings, $C$ = Set of children, $N$ = Set of naughty persons
Let $\Delta \in\{\wedge, \vee, \Rightarrow, \Leftrightarrow\}$ be such that $(p \wedge q) \Delta((p \vee q) \Rightarrow q)$ is a tautology. Then $\Delta$ is equal to
If the Boolean expression $( p \wedge q ) \circledast( p \otimes q )$ is a tautology, then $\circledast$ and $\otimes$ are respectively given by
The negative of $q\; \vee \sim (p \wedge r)$ is
The statement $A \rightarrow( B \rightarrow A )$ is equivalent to