Coding and Decoding Questions

If SYSTEM is written as RXRSDL.
How can CORRECT be written in that code?

If "x" denotes "added to", "÷" denotes "subtracted from", "+" denotes "divided by" and "–" denotes "multiplied by", then 14 x 12 – 16 ÷ 18 = ?

In a certain code language, “TALCS” is written as “UENCV”. How is “SPARK” written in that code language?

If 15@7=44; 5@4=18; 6@17=46; then what is the value of 17@4=?

In a certain code language, “CUDGEL” is written as “FYGKHP”. How is “DAINTY” written in that code language?

Some equations have been solved on the basis of a certain pattern. Find the correct answer for the unsolved equation on that basis:

7*4*3 = 437
8*6*4=648
4*3*6=?

In a certain code language, “MAGNET” is written as “WHQJDP”. How is “FRAUDS” written in that code language?

If in a certain language KINDLE is coded as ELDNIK, how is FASHION coded in that code?