Coding and Decoding Questions

In a certain code language, "REMOTE" is written as "KYSPGS" and "BRAND" is written as "IRDTC". How is "MOBILE" written in that code language?

If 19 + 2 x 2 + 3 = 369 and 23 + 2 x 6 + 2 = 565, then 7 + 3 x 11 + 3 = ?

In a certain code language, "COPIOUS" is written as "2345389" and "GENEROUS" is written as "16760389". How is "PIGEON" written in that code language?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
c_e_cd_f_d_f

In a certain code language, "INSTANT" is written as "IOUWESZ". How is "FORGET" written in that code language?

If 9 $ 4 = 17 and 1 $ 5 = 10, then 3 $ 6 = ?

In a code language, if LUCK is written as L2U1C3K1, then what is the last digit for the code for XEROX in that same language?

In a certain code, "go home" is written as "ta na" and "nice little home" is written as "na ja pa". How is "go" written in that code?