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:
$(A)$ 'pic vie nic' means 'winter is cold'
$(B)$ 'to nic re' means 'summer is hot'
$(C)$ 're pic boo' means 'winter and summer'
$(D)$ 'vic tho pa' means 'nights are cold'
Which word in that language means 'summer'?

If in a certain language $POPULAR$ is coded as $QPQVMBS$,which word would be coded as $GBNPVT$?

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

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 $NDPBCHTD$.

In a certain code,$PAPER$ is written as $SCTGW$. How is $MOTHER$ written in that code?