If $FRIEND$ is coded as $HUMJTK$,how is $CANDLE$ written in that code?

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

If rose is called popy,popy is called tily,lily is called lotus and lotus is called glandiola,which is the king of flowers?

If in a certain language $MISTAKE$ is coded as $9765412$ and $NAKED$ is coded as $84123$,then state which is the correct code for $STAIN$.

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 $see$?

The word $EXPAND$ has been written in four different codes by applying four different rules. Identify the rule applied to the word $EARTHQUAKE$ to obtain the code $FBSUIRVBLF$.