Coding and Decoding Questions

If "x" stands for addition, "<" stands for subtraction, "+" stands for division, ">" stands for multiplication, "–" stands for equals to, "÷" stands for greater than and "=" stands for less than, which of the following holds true?

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

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 = ?

After interchanging + & x and 12 &18, which of the following equations will hold true?

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

7 V 13 M 35 L 7 S 6 = ?

If 6#30=5; 8#24=3; 7#28=4; then what is the value of 8#40=?

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

343 L 7 S 6 V 94 M 11 =?

If 19 $ 7 = 312 and 23 $ 9 = 448, then 31 $ 11 = ?