We have,
Getting above $95 \%$ marks is necessary condition for Hema to get the admission in good college.
Here, $p$ : Hema get the admission in good college
$q:$ Hema gets above $95 \%$ marks
We know symbolic form of
$q$ is necessary condition for $p$ is
$p \rightarrow q $
Negation of $(p \rightarrow q)$ is $(p \wedge \sim q)$
or $(\sim q \wedge p) $
$\therefore $ Negation of the above statement is Hema does not get above $95 \%$ marks and she gets admission in good college.