What will come in place of the question mark (?) in the following equation, if ' + ' is interchanged with ' - ', and ' ÷' is interchanged with ' ×'?
7×7÷8-12×6+17-14-100=?

Correct option is D

Given:

​7×7÷8-12×6+17-14-100=?

Concept used:

BODMAS rule

$$\begin{array}{|c|c|} \hline \textbf{Operation preference wise} & \textbf{Symbol} \\\hline Brackets &[],{}, () \\ \hline Orders, of & (power), √ (root) , of \\ \hline Division& ÷ \\ \hline Multiplication & × \\ \hline Addition & + \\ \hline Subtraction & - \\\hline \end{array}$$

Logic: interchanging '+' and '-' and '÷' and '×' 

Modified equation becomes:

7 ÷ 7 × 8 + 12 ÷ 6 - 17 + 14 + 100 = ?

1 × 8 + 2 - 17 + 14 + 100 = ?

8 + 2 - 17 + 14 + 100 = ?

124- 17 = 107

correct answer is 107

Thus, correct option is (d)