If in a certain language $CHARCOAL$ is coded as $45164913$ and $MORALE$ is coded as $296137$,how is $COACH$ coded in that language?

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

In a certain code,$786$ means 'study very hard',$958$ means 'hard work pays' and $645$ means 'study and work'. Which of the following is the code for 'very'?

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

In a certain code language,'po ki top ma' means 'Usha is playing cards'; 'hop ja ki ma' means 'Asha is playing tennis'; 'ki top sop ho' means 'they are playing football'; and 'po sur hop' means 'cards and tennis'. Which word in that language means 'Asha'?

If $PRATAP$ could be given the code number $1618120116$, what code number can be given to $NAVIN$?