In a certain code TASK is written as 6 and WITH is written as 6, then how can HAND be written in that code?

In a certain code ROSE is written as @%$# and PREACH is written as *@#18&, then how can SEARCH be written in that code?

In a certain code DATE is written as 904, then how can SOME be written in that code?

If the code for MOTHER is JRQKBU then what is the code for PRINCIPAL?

If SUN is coded as NUS and TOP is coded as POT, then which is the last letter in the code for the word FUR?

If TEACHER is coded as UDBBIDS, then STUDENT will be coded as:

If KINGS is coded as RFMHJ, then how will you code QUEEN? 

In a certain code language, "BAD" is written as "7" and "SAP" is written as "9". How is "BAN" written in that code language?