If '+' means '÷', '×' means '-', '÷' means '+', and '-' means '×', then, what will come in place of the question mark (?) in the following equation?
21 + 7 - 4 ÷ 27 × 29 = ?
1
20
2
10
3
30
4
40
If '+' means '÷', '×' means '-', '÷' means '+', and '-' means '×', then, what will come in place of the question mark (?) in the following equation?
21 + 7 - 4 ÷ 27 × 29 = ?