If ‘P’ stands for ‘÷’, ‘Q’ stands for ‘×’, ‘R’ stands for ‘+’ and ‘S’ stands for ‘−’, what will come in place of the question mark (?) in the following equation?
[(18 S 5) Q 4] P 2 R 22 Q 3 S 24 R 9 = ?
1
89
2
77
3
82
4
63
If ‘P’ stands for ‘÷’, ‘Q’ stands for ‘×’, ‘R’ stands for ‘+’ and ‘S’ stands for ‘−’, what will come in place of the question mark (?) in the following equation?
[(18 S 5) Q 4] P 2 R 22 Q 3 S 24 R 9 = ?