In a certain code,$INSTITUTION$ is written as $NOITUTITSNI$. How is $PERFECTION$ written in that code?

In a certain code language:
$(A)$ 'mxy das zci' means 'good little frock'
$(B)$ 'jmx cos zci' means 'girl behaves good'
$(C)$ 'nvg drs cos' means 'girl makes mischief'
$(D)$ 'das ajp cos' means 'little girl fell'
Which word in that language stands for 'frock'?

If in a certain language,$ITNIETAM$ is the code for $INTIMATE$,which word has the code $TREVNIETARBI$?

If in a certain language $ENTRY$ is coded as $12345$ and $STEADY$ is coded as $931785,$ then state which is the correct code for $ARREST$?

In a certain code $MEADOW$ is written as $BFNVNC$. How is $CORNER$ written in that code?

In a certain language,the numbers are coded as follows:

$4$	$3$	$9$	$2$	$1$	$6$	$7$	$8$	$5$	$2$	$0$
$A$	$W$	$P$	$Q$	$R$	$B$	$E$	$S$	$G$	$J$	$M$

How is $67825$ coded in that code?