Coding and Decoding Questions

If "+" means "minus", "x" means "divided by", "÷" means "plus" and "­" means "multiplied by", then 240 x 12 – 6 + 29 ÷ 42 = ?

If I=9 and SLIP=56, then FALL= ?

If 8*2 = 3, 14*18 = -2 and 18*2 = 8, then find the value of 14*10 = ?

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

If CHANTED is coded as ZEXKQBA, then how will MAY be coded as?

If SWEET is written as XAHGU, then HORSE is

If 16α1 = 8, 14α6 = 42 and 12α5 = 30, then find the value of 2α6 = ?

If in a certain language, STRING is coded as TSIRGN, how is RANDOM coded in that code?