Coding and Decoding Questions

If x means +, + means ÷, − means x and ÷ means −, then 8x7−8+40÷2 = ?

In a certain code language, "CERTAIN" is written as "DFSTBJO". How is "CRICKET" written in that code language?

If 52 % 32 = 40, 22 % 20 = 4 then what is the value of 15 % 11 = ?

If 4 x 5 x 2 = 524, 3 x 7 x 2 = 723 and 6 x 8 x 7 = 876 then 9 x 4 x 5 = ?

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

If BLACKSMITH is coded as CNBELUNKUJ, then CHILDREN will be coded as ?

Some equations have been solved on the basis of certain system. Find the correct answer for the unsolved equation on that basis. If 98-39-27=31, 87-38-34=20, then 79-25-12 = ?

If 'x' means addition, '­' means division, '÷' means subtraction and '+' means multiplication, then which of the equations is correct?