Coding and Decoding Questions

If "A" denotes "added to", "C" denotes "divided by", "D" denotes "multiplied by" and "B" denotes "subtracted from", then 72 C 9 D 2 B 6 A 10 = ?

In a certain code language, “LINKS” is written as “93210” and “CROMA” is written as “84576”. How is “ROCKS” written in that code language?

If in a certain code, UNGIMMICKY is written as MIGNUYKCIM, then how will COMPLEXITY be written as in the same code?

If "#" means "subtraction", "&" means "division", "@" means "addition" and "%" means "multiplication", then 8442 & 9 # 7 % 6 @ 4 = ?

If BORDER is coded as 579649, then ORDER can be coded as

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

234 x 9 - 12 + 4 = ?

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

12 x 6 ÷ 5 + 4 = ?

 In a certain code language, “POLIS” is written as “SROLV”. How is “MRUGS” written in that code language?