Coding and Decoding Questions

If 8*9 = 36, 12*4 = 24 and 14*6 = 42, then find the value of 18*6 = ?

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

75 - 5 + 25 ÷ 125 = ?

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

If 8 θ 12 δ 6 = 60 and 13 θ 15 δ 11 = 74, then 18 θ 21 δ 15 = ?

In a certain code language, '-' represents 'x', '÷' represents '+', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.

23 x 20 ÷ 35 - 2 + 10 = ?

If 18α1 = 34, 19α2 = 34 and 18α3 = 30, then find the value of 18α8 = ?

If 8*2 = 3, 14*18 = -2 and 18*2 = 8, then find the value of 14*10 = ?

If 4!4 = 80, 3!8 = 110 and 6!2 = 80, then find the value of 7!9 = ?