Coding and Decoding Questions

If MARBLES is coded as PDUEOHV, then how will GIN be coded as?

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 = ?

If SUN = 108, MOON = 114. What is STAR = ?

If 5 x 4 x 0 = 405
3 x 2 x 8 = 283
then 1 x 7 x 6 = ?

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

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

If "A" means "plus", "B" means "divide", "C" means "multiply" and "D" means "minus", then 187 B 17 C 4 A 7 D 17 = ?

If 13 # 9 = 94 and 18 # 7 = 100, then 24 # 6 = ?