If in a certain code,$SWITCH$ is written as $TVJSDG$,which word would be written as $CQFZE$?

In a certain code language,$134$ means $good and tasty$,$478$ means $see good pictures$,and $729$ means $pictures are faint$. Which of the following numerical symbols stands for $see$?

If $MOBILITY$ is coded as $46293927$,then $EXAMINATION$ is coded as

In a certain code,$15789$ is written as $XTZAL$ and $2346$ is written as $NPSU$. How is $23549$ written in that code?

If $FOUGHT$ is coded as $EQRKCZ$,how will $MALE$ be coded?

The word $EXPAND$ has been written in four different codes by applying four different rules. Identify the rule applied to the word $PERCEIVE$ to get the code $NDPBCHTD$.