Coding and Decoding Questions

If P denotes '÷', Q denotes 'x', R denotes '+' and S denotes '­', then 18Q12P4R5S6 = ?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then 36 L 9 S 8 V 7 M 5 = ?

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

44 L 11 S 7 V 7 M 9 = ?

In a certain code, 'book is big' is written as 756; 'big is story' is 764 and 'story book is interesting' is 4356. Which digit represents 'interesting'?

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 = ?

Rearrange the jumbled up letters to form a meaningful word and find the odd one out.

In a certain code language, “MUTE” is written as “60” and “TYRE” is written as “69”. How is “HYPE” written in that code language?

In a certain code language, “TRUCKS” is written as “WPXANQ”. How is “MOPERS” written in that code language?