Coding and Decoding Questions

If "-" means "plus", "x" means "divide", "÷" means "multiply" and "+" means "minus", then 26 + 400 x 20 – 21 ÷ 12 = ?

If "+" means "minus", "x" means "divided by", "÷" means "plus" and "-" means "multiplied by", then
76 x 4 + 4 – 12 ÷ 37 = ?

If 9#3=6; 15#3=9; 60#4=32; then what is the value of 27#3=?

If IMPLORE is coded as GKNJMPC, then how will HUB be coded as?

In a certain code language, "OCEAN" is written as "PEHES". How is "RIVER" written in that code language?

In a certain code language, “TRAP” is written as “53” and “MADE” is written as “21”. How is “LATE” written in that code language?

If 92 A 42 B 32 = 56 and 72 A 22 B 12 = 44, then 112 A 52 B 72 = ?

If RATION is written as OXQFLK then LUMBER may be written as _____ .