Select the number that will replace the question marks (?) in the following series.
28, ?, ?, 69, 88, 111, 140, 171
1
39, 52
2
38, 50
3
29, 52
4
39, 39
Select the number that will replace the question marks (?) in the following series.
28, ?, ?, 69, 88, 111, 140, 171