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
None of these
Suppose $p, q, r$ are positive rational numbers such that $\sqrt{p}+\sqrt{q}+\sqrt{r}$ is also rational. Then
Negation of statement "If I will go to college, then I will be an engineer" is -
The negation of the compound proposition $p \vee (\sim p \vee q)$ is
The negation of the statement $(p \vee q)^{\wedge}(q \vee(\sim r))$ is
Which of the following is always true