In a certain code language,$35796$ is written as $44887$. How is $46823$ 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 of the given statements is superfluous?

In a code language,$PINK$ is written as $QHOJ$ and $BOLT$ is written as $CNMS$. How would $MUST$ be written in that code?

If in a certain language $KINDLE$ is coded as $ELDNIK$,how is $EXOTIC$ coded in that code?

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 $MISTAKE$ is coded as $9765412$ and $NAKED$ is coded as $84123$,then state which is the correct code for $STAIN$.