Select the number that will come in the place of the question mark (?), if ‘+’ and ‘–’ are interchanged and ‘×’ and ‘÷’ are interchanged in the expres...
Question
Select the number that will come in the place of the question mark (?), if ‘+’ and ‘–’ are interchanged and ‘×’ and ‘÷’ are interchanged in the expression: 11 ÷ 12 – 78 × 6 + 57 = ?