Contrapositive of the statement. 'If two numbers are equal, then their squares are equal' is

If $p \rightarrow(q \vee r)$ is false, then the truth values of $\mathrm{p}, \mathrm{q}, \mathrm{r}$ are respectively

Contrapositive of the statement 'If two numbers are not equal, then their squares are not equal', is

The following statement $(\mathrm{p} \rightarrow \mathrm{q}) \rightarrow((\sim \mathrm{p} \rightarrow \mathrm{q}) \rightarrow \mathrm{q})$ is