Coding and Decoding Questions

In a certain code, 324 means 'are you alright', 783 means 'you come home' and 9271 means 'we are at home'. Which digit represents 'COME'?

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

If "A" denotes "added to", "C" denotes "divided by", "D" denotes "multiplied by" and "B" denotes "subtracted from", then 72 C 9 D 2 B 6 A 10 = ?

If 6@1 = 12, 6@2 = 24 and 9@9 = 162, then find the value of 4@6 = ?

If UNCOVER is coded as FMXLEVI, then how will TIP be coded as?

In a certain code GIVE is written as VIEG and OVER is written as EVRO. How will DISK be written in that code?

If 10$25 = 8, 12$25 = 10 then what is the value of 14$53 = ?

If S = 19, SUN = 54 and CAKE = 20 , then MISTAKE = ?