What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘–‘ are interchanged and also ‘×’ and ‘÷’ are interchanged?
40 × 10 − 20 + 10 ÷ 2 = ?
1
4
2
8
3
6
4
2
What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘–‘ are interchanged and also ‘×’ and ‘÷’ are interchanged?
40 × 10 − 20 + 10 ÷ 2 = ?