If 'P' means '- ,'Q' denotes '+','R' denotes 'x' and 'W' denotes '+',then `48Q 12R 10P 8W 4=?`

If P denotes '-:' , Q denotes 'xx' , R denotes '+' and S denotes '-', then 18 Q 12 P 4 R 5 S 6 =?

If P denotes '-:' Q denotes 'xx' R denotes '+' and S denotes '-' then 16Q12P6R5S4=?

If P denotes +, Q denotes -,R denotes -: and S denotes xx , then 18 S 36 R 12 Q 6 P 7=?

If P denotes div , Q denotes xx , R denotes + and S denotes -,then 12 Q 15 P 3 R 4 S 6 = ?

If 'P' means '+' 'Q' means 'X' 'R' means ' / ' and 'S' means '-', then: 44 Q 9 R 12 S 6 Q 4 P 16 = ?

If P denotes 'xx' , T denotes '-' M denotes '+' and B denotes '-:' then 12P6M15T16B4=?

If 'P' means '+', 'Q' means 'xx' , 'R' means '-:' and 'S' means '-' then 44 Q 9 R 12 S 6 Q 4 P 16 =?

If L denotes xx , M denotes -: , P denotes + and Q denotes - , then 16 P 24 M 8 Q6 M2 L 3 = ?

If P denotes -: , Q denotes xx , R denotes + and S denotes -, then the value of 18Q 12P 4R 5S 6 when simlplified gives