Coding and Decoding Questions

If "A" denotes "multiplied by", "C" denotes "subtracted from", "D" denotes "added to" and "B" denotes "divided by", then 76 C 54 D 210 B 3 A 15 = ?

In certain code, if 'AMOUNT' is written as 'BNPTMS', how is 'AROUND' written in that code?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then 8 V 10 M 96 L 6 S 9 = ?

In a certain code language, "ENERGETIC" is written as "ETICGENER". How is "CARTRIDGE" written in that code language?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
60 x 5 + 3 ÷ 24 - 6 = ?

If EFMIJ means DELHI, then the last letter of the word got by decoding IQBOS is

If 4Δ2 = 60, 7Δ9 = 160 and 8Δ3 = 110, then find the value of 3Δ2 = ?

If '>' means 'minus', '<' means 'plus', '*' means 'multiplied by' and # means 'divided by', then what would be the value of

27 < 81 # 9 > 6 =