If wall is called window,window is called door,door is called floor,floor is called roof and roof is called ventilator,what will a person stand on?

If in a certain language $CARROM$ is coded as $BZQQNL$,which word will be coded as $HOUSE?$

If '$A$' is substituted by $1$,'$B$' by $2$ and so on up to '$Z$' which is substituted by $26$,what will be the sum of the numbers substituted for the word $DECAY$?

If in a certain language,$TAP$ is coded as $SZO$,then how will $FREEZE$ be coded?

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 $91352$ coded 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'?