What approximate value should come in place of the question mark (?) in the following question?
(181.70 + 242.69) ÷ (1.01 × ?) = (131.87 ÷ 4.21 + 1) ÷ 21
12
2
15
3
25
4
20
5
11
What approximate value should come in place of the question mark (?) in the following question?
(181.70 + 242.69) ÷ (1.01 × ?) = (131.87 ÷ 4.21 + 1) ÷ 2