Coding and Decoding Questions

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

6 ÷ 10 - 30 + 4 x 12 = ?

If O = 15 and STAR = 58 then CAMEL = ?

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

17 - 20 + 5 x 30 ÷ 4 = ?

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

18 ÷ 12 - 5 + 30 x 6 = ?

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

20 + 5 x 4 ÷ 7 - 2 = ?

If 'P' means 'divided by', 'T' means 'add', 'M' means 'subtract' and 'D' means 'multiplied by', then what will be the value of the following expression?

12 M 12 D 28 P 7 T 15

If E = 5, GUN = 42 and ROSE = 57, then what is the value of GATE ?

If GOAT can be written as KSEX, then WOLF can be written as ___