Coding and Decoding Questions

If "A" means "plus", "B" means "divide", "C" means "multiply" and "D" means "minus", then 180 B 36 C 5 A 8 D 32 = ?

If -2@-4 = -8, -1@-8 = -8 and -1@6 = 6, then find the value of -1@7 = ?

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

56 ÷ 8 + 12 - 72 = ?

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

10 + 20 x 10 ÷ 20 - 8 = ?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then
96 L 8 S 4 V 16 M 9 =?

In certain code, if 'AMOUNT' is written as 'BNPTMS', how is 'AROUND' written in that code?

In a certain code language, if COTTON is coded as 325526 and WOOLEN is coded as 122976, then TOWEL will be coded as?

If MACHINE is coded as 19-7-9-14-15-20-11, how will you code DANGER?