Coding and Decoding Questions

In a certain language "BROTHER" is written as "CSPUIFS". How is "SISTER" written in that code language?

In a certain code language,"MASTER" is written as "RETSAM". How is "LITERACY" written in that code language?

If 5$125 = 25, 12$48 = 4 then what is the value of 4$24 = ?

In a certain code language, "PEPPER" is written as "@#@@#!" and "AIM" is written as "^?*". How is "PAMPER" written in that code language?

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it? _AB_PQ_AB_P_

If HEROISM is coded as SVILRHN, then how will ALP be coded as?

In a certain code language, "RIVER" is written as "12351" and "RED" is written as "156". How is "DRIVER" written in that code language?

If Q = 10 and FAX = 50, then XEROX = ?