The negation of the logical statement $(p \vee \sim q) \rightarrow (p \wedge \sim q)$ is

For statements $p$ and $q$,which of the following is true?

Negation of $p \wedge (\sim q \vee \sim r)$ is -

Consider the following statements:
$(A)$ If $4+3=8$,then $5+3=9$
$(B)$ If $6+4=10$,then the moon is flat
$(C)$ If both $(A)$ and $(B)$ are true,then $5+6=17$
Which of the following statements is correct?

Consider the following statements:
$p$: If voltage increases, then current decreases.
$q$: If voltage does not increase, then current does not decrease.
$r$: If current decreases, then voltage increases.
$s$: If current does not decrease, then voltage does not increase.
Which of the following pairs of statements have the same meaning?

The statement pattern $(p \lor q) \to \sim r$ is logically equivalent to