What will be the output of the following Perl program?

my $out = 'Apple and Mango';

my $inr = 'Almond and Walnut';

my $ptn ='Apple and Mango';

my $inr = 'Almond and Walnut';

my $ptn = qr/(\S+) and (\S+)/;

sub output_n { print qr/(\S+) and (\S+)/;

sub output_n { print

Output of the Perl code snippet? my $exp = 1; $ENV{'xxx'} = \$exp; system($^X, '-e', q/print ( ref $ENV{'xxx'} ? 'Example' : 'Perl' ) /); '>

Which Perl function execute(s) a system command and never return(s)?

Which Perl operator has the highest precedence?

Output of the following Perl code snippet? local $var = 55; $exp = 'var'; { my $var = 25; print $$exp; }

Output of the Perl code snippet? local $var = 55; $exp = 'var'; { my $var = 25; print $$exp; }

Which regular expression deletes all tags specified as text enclosed by '<' and '>' from a document stored in a string, but deletes nothing else?

What must be done to pass more than one array or hash into or out of a function and have them maintain their integrity?

You can create a reference to an existing variable or subroutine by prefixing it with a:

What statement immediately ends a subroutine?

How would you check which version of perl you are using?