Negation of “Ram is in Class $X$ or Rashmi is in Class $XII$” is
Ram is not in class $X$ but Ram is in class $XII$
Ram is not in class $X$ but Rashmi is not in class $XII$
Either Ram is not in class $X$ or Ram is not in class $XII$
None of these
Which of the following is always true
The Boolean expression $(\mathrm{p} \wedge \mathrm{q}) \Rightarrow((\mathrm{r} \wedge \mathrm{q}) \wedge \mathrm{p})$ is equivalent to :
Negation of the statement : - $\sqrt{5}$ is an integer or $5$ is irrational is
Which of the following is a statement
The converse of the statement "If $p < q$, then $p -x < q -x"$ is -