What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
21 − 7 ÷ 144 × 3 + 18 = ?
1
323
2
330
3
339
4
342
What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
21 − 7 ÷ 144 × 3 + 18 = ?