The contrapositive of the following statement, "If the side of a square doubles, then its area increases four times", is
If the area of a square increases four times, then its side is not doubled.
If the area of a square increases four times, then its side is doubled
If the area of a square does not increases four times, then its side is not doubled
If the side of a square is not doubled, then its area does not increase four times
The statement $(\mathrm{p} \wedge(\mathrm{p} \rightarrow \mathrm{q}) \wedge(\mathrm{q} \rightarrow \mathrm{r})) \rightarrow \mathrm{r}$ is :
Let,$p$ : Ramesh listens to music.
$q :$ Ramesh is out of his village
$r :$ It is Sunday
$s :$ It is Saturday
Then the statement "Ramesh listens to music only if he is in his village and it is Sunday or Saturday"can be expressed as.
Which of the following is logically equivalent to $\sim(\sim p \Rightarrow q)$
The contrapositive of $(p \vee q) \Rightarrow r$ is