What will come in place of the question mark (?) in the following equation if '+' and '-' are interchanged and '×' and '÷' are interchanged?
31 + 14 - 28 × 7 ÷ 13 = ?
1
72
2
69
3
67
4
75
What will come in place of the question mark (?) in the following equation if '+' and '-' are interchanged and '×' and '÷' are interchanged?
31 + 14 - 28 × 7 ÷ 13 = ?