Coding and Decoding Questions

If in a certain language, TOGGLE is coded as OTGGEL, how is KEPLER coded in that code?

In a certain code language, “TOLDER” is written as “WSQGIW”. How is “SPIRAL” written in that code language?

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

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

3 x 8 ÷ 4 - 60 + 12 = ?

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 = ?

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 = ?

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

In a certain code language, “LINK” is written as “1291411” and “FUEL” is written as “621512”. How is “TORN” written in that code language?