Coding and Decoding Questions

In a certain code language, "SCENE" is written as "TBFMF". How is "TRAIN" written in that code language?

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

80 x 16 ÷ 4 + 2 - 8 = ?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M"denotes "added to" and "L" denotes "divided by", then

96 L 12 S 7 V 49 M 10 =?

In a certain code language, “MAKER” is written as “PDNHU”. How is “TOOLS” written in that code language?

If REDUCE= 56, RECYCLE = 71 then REUSE=?

In a certain code language, “FRONT” is written as “618151420” and “BORNE” is written as “21518145”. How is “MORNS” written in that code language?

In a certain code language, “TALCS” is written as “UENCV”. How is “SPARK” written in that code language?

In a certain code language, "RUMOUR" is written as "MURRUO". How is "RACKET" written in that code language?