If 'A' denotes '+', 'B' denotes '×', 'C' denotes '–' and 'D' denotes '÷', then what will come in place of '?' in the following equation? (48 D 12) C 71 A 14 B (96 D 6) A 3 B 12 = ?

If 'P' stands for '×', 'Q' stands for '÷', 'R' stands for '−' and 'S' stands for '+', then the result of which of the following expressions would be 65?

If 'P' stands for '-', 'Q' stands for '×', 'C' stands for '÷' and 'D' stands for '+', then what will come in place of the question mark (?) in the following equation? 3 D 3 C 1 Q 17 P 2 = ?