In a coded language ‘STAY’ is coded to ‘19403100’ then how ‘HOUR’ will be coded?

In a certain code language, "CASIO"  is written as "3119915". How is "CITIZEN" written in that code language? 

In a certain code language, if ‘raghav plays hockey’ is written as ‘xfjdni rzzmo ubghzs’, then ‘arun works hard’ will be written as:

In a code, LIBRARIANS is coded as ILRBRAAISN. In that code, what will be the code for PHOSPHATIC?

If DON is coded as 345 and ROAM is coded as 6412, then how will RANDOM be coded?

A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e. g. 'D' can be represented by 03, 22, etc. and 'R' can be represented by 56, 68, etc. Similarly, you have to identify the set for the word 'CAST’.

In certain code 'TIGER' is written as 'QDFHS'. How is 'FISH' written in that code?

In a certain language CLOUD is written as GTRKF. How SIGHT written in this language?