Coding and Decoding Questions

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

9 + 3 - 72 x 6 ÷ 3 = ?

In a certain code language "TITANIC" is written as "7371835" and "SEMATIC" is written as "6241735". How will "MAINTAIN" be 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.

8x7x6=765
5x3x2=421
9x6x4= ?

In a certain code language "CANADA" is written as "BZMBEB". How is "SYDNEY" written in that code language?

If 5 x 4 x 0 = 405
3 x 2 x 8 = 283
then 1 x 7 x 6 = ?

In a certain code language, " EXCITED" is written as "DETICXE". How is "KINLEY" written in that code language?

If ALPHA = 36, BETA = 26 then DELTA = ?

If 12 (20) 16 and 21 (35) 28, then what is value of A in 48 (80) A ?