Coding and Decoding Questions

In a certain code language, “MUTE” is written as “60” and “TYRE” is written as “69”. How is “HYPE” written in that code language?

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

If in a certain code, UNGIMMICKY is written as MIGNUYKCIM, then how will COMPLEXITY be written as in the same code?

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

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