Coding and Decoding Questions

In a certain code language, “FRAK” is written as “35” and “MALT” is written as “45”. How is “TRIM” written in that code language?

In a certain code language, "DIGIT" is written as "@#^#*" and "EAR" is written as "?!<". How is"TIGER" written in that codelangauge?

In a certain code, 592 means 'grapes are sweet', 374 means 'I like oranges' and 267 means 'oranges are sour'. Which digit represents sour?

In a certain code language, “TRUCKS” is written as “WPXANQ”. How is “MOPERS” written in that code language?

If IRON is written as GOKI, then KNIFE may be written as

If '+' means '/', '/' means '­','­' means 'x', 'x' means '+', then 24+8/2­6x6=?

If BORDER is coded as 579649, then ORDER can be coded as