Coding and Decoding Questions

If "α" denotes "subtracted from", "β" denotes "multiplied by", "θ" denotes "added to" and "δ" denotes "divided by", then 10 θ 8 β 4 δ 8 α 9 = ?

In a code language, FATE is written as 61205. What is the code for LEAN?

If 11$25 = 18, 12$20 = 16 then what is the value of 4$50 = ?

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

12 V 3 M 441 L 21 S 8 = ?

If MIGRANT is coded as LHFQZMS, then how will GEL be coded as?

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

If 40@8 = -5, 30@3 = -10 and 20@5 = -4, then find the value of 60@3 = ?

If 23@5=56; 6@7=26; 5@2=14; then what is the value of 7@5=?