What will come in the place of '?' in the following equation, if '+' and '−' are interchanged and also '×' and '÷' are interchanged?
88−7÷65×13+34=?

Substitute the operators according to the given instructions:
Replace − with +

Replace ÷ with ×

Replace × with ÷

Replace + with −

The given equation is:

88−7÷65×13+34=?
After interchanging the operators:

88+7×65÷13−34=?
Apply the BODMAS rule:

Division:

65÷13=5
The equation becomes:

88+7×5−34=?
Multiplication:

7×5=35
The equation becomes:

88+35−34=?
Addition:

88+35=123
The equation becomes:

123−34=?
Subtraction:

123−34=89
Therefore, the correct answer is 89.