What approximate value will come in place of the question mark (?) in the following equation?
49.85-5.31+9.97=?

What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
37 ÷ 5 − 91 + 16 × 4 = ?

What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
66 × 6 ÷ 3 − 128 ÷ 2 + 15 × 3 − 16 ÷ 2 + 17 = ?

What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
(84 × 12) ÷ 4 - (72 × 9) ÷ 3 + 15 = ?

If ‘+’ means ‘−’, ‘−’ means ‘×’, ‘×’ means ‘÷’ and ‘÷’ means +’, then what will come in place of the question mark (?) in the following equation?
88 − 9 ÷ 195 + 988 × 19 = ?

If ‘A’ stands for ‘÷’ , ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘-’ , what will come in place of the question mark ‘?’ in the following equation?
9 B 4 D 18 A 9 C 12 = ?

If 'A' stands for ' ÷ ', ' B ' stands for ' ×', ' C ' stands for ' + ' and ' D ' stands for ' -', what will come in place of the question mark (?) in the following equation?
216 C 22 B 12 D 424 A 4=?

What will come in place of the question mark (?) in the following equation if ' + ' and ' - ' are interchanged and ' x ' and ' ÷ ' are interchanged?
24×6-5÷4+10= ?

If A means '+ ', B means '- ', C means '×' and D means ' ÷', then what will come in place of the question mark (?) in the following equation?
10 A 30 D 6 B 2 C 3 = ?

If the two signs '+' and '÷' are interchanged, which of the following equations will be correct?