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
The negation of $(p \wedge(\sim q)) \vee(\sim p)$ is equivalent to
Which of the following statement is a tautology?
The negation of the statement
"If I become a teacher, then I will open a school", is
The negation of the Boolean expression $((\sim q) \wedge p) \Rightarrow((\sim p) \vee q)$ is logically equivalent to
The statement $(p \Rightarrow q) \vee(p \Rightarrow r)$ is NOT equivalent to.