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: 61 – 42 × 6 ÷ 9 + 27 = ?