If $NARGRUED$ is the code for $GRANDEUR$,which word is coded as $SERPEVRE$?

If in a certain language $FASHION$ is coded as $FOIHSAN$,how is $PROBLEM$ coded in that code?

In a certain code $ADVENTURES$ is written as $TDRESAUVEN$. How is $SURPRISING$ 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 $ENDEAR$?

In a certain code language:
$(A)$ 'pit na som' means 'bring me water'
$(B)$ 'na jo tod' means 'water is life'
$(C)$ 'tub od pit' means 'give me toy'
$(D)$ 'jo lin hot' means 'life and death'
To find out the answer to the above question (which is implied to be decoding the language),which of the following statements can be dispensed with?

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