Coding and Decoding Questions

If 40@8 = -5, 30@3 = -10 and 20@5 = -4, then find the value of 60@3 = ?

In a certain code language, "RUMOUR" is written as "MURRUO". How is "RACKET" written in that code language?

If REDUCE= 56, RECYCLE = 71 then REUSE=?

If 'how are you' is written as 'ne ki se' and 'where are you' as 'ne bl se' and 'you were here' as 'ke ne jo', then 'how you here' is written as

If "*" denotes "added to", "&" denotes "divided by", "@" denotes "multiplied by" and "%" denotes "subtracted from", then 135 & 15 @ 10 % 3 * 6 = ?

If MIGRANT is coded as LHFQZMS, then how will GEL be coded as?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then

5 V 9 M 63 L 9 S 7 = ?

A certain system is followed to solve the problem . Accordingly find out the correct answer from the alternatives for the unsolved equations.

7 x 4 x 9 = 479
9 x 5 x 2 = 592
6 x 9 x 5 = 965
8 x 6 x 2 = ?