Coding and Decoding Questions

If -2@-4 = -8, -1@-8 = -8 and -1@6 = 6, then find the value of -1@7 = ?

If 30%6 = -5, 10%5 = -2 and 10%2 = -5, then find the value of 80%8 = ?

If WORK = 7935, ROCK = 3587 and WART = 1945, which digit stands for T?

If 4Δ2 = 60, 7Δ9 = 160 and 8Δ3 = 110, then find the value of 3Δ2 = ?

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

If FHNPKMEG means GOLF, then what does RTSUHJBDJL stand for?

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 language, '-' represents 'x', '÷' represents '+', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.

5 - 6 + 30 x 8 ÷ 16 = ?