What approximate value will come at the place of ‘?’ in the following question?
16.40 ÷ 4.20 × 3.10 + 17.91 = 120.11 ÷ ?1
10
2
4
3
1
4
18
5
15
What approximate value will come at the place of ‘?’ in the following question?
16.40 ÷ 4.20 × 3.10 + 17.91 = 120.11 ÷ ?