Coding and Decoding Questions

If the mathematical operator '+' means '÷', '-' means '+', '÷' means 'x' and 'x' means '-', then the value of 17 - 7+ 27 + 3 x 79 is

In a certain code language, “PILOW” is written as “49352” and “TRAIN” is written as “78691”. How is “PRAWN” written in that code language?

If BLACK = AMZDJ then BEAUTIFUL = ?

If CABINET = EIACBTN, then COMPUTE = ____.

If + means /, / means -, - means x, x means +, then 10 + 5 / 7 - 4 x 30 = ?

In a certain code language, “DRAPE” is written as “IWFUJ”. How is “RIGID” written in that code language?

In a certain code language, “HORN” is written as “54” and “RHYM” is written as “63”. How is “PURE” written in that code language?

In a certain code language, “CAB” is written as “6” and “LAN” is written as “27”. How is “FAN” written in that code language?