my @questions = (
    { foo => 'bar' },
    { foo => 'bar' },
    { foo => 'bar' }
);

##</code><code>##

foreach $hashref (@questions){
      my $foo = $hashref->{foo} || "daklfjsdalk";
}

##</code><code>##

for(my $i = 0;$i<=$#questions;$i++){
       my $foo = $questions[$i]->{foo} || "daklfjsdalk";
}