Coding and Decoding Questions

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

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

If 3*1 = 20, 6*1 = 50 and 2*6 = -40, then find the value of 5*8 = ?

In a certain code language, "READ" is written as "18514". How is "RATE" written in that code 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?

In a certain code language, "TERMITE" is written as "UDSLJSF". How is "MINISTER" written in that code language?

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

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