Select the number that will replace the question marks (?) in the following series.28, ?, ?, 69, 88, 111, 140, 171

Select the number that will replace the question marks (?) in the foll

1.	Select the number that will replace the question marks (?) in the following series.28, ?, ?, 69, 88, 111, 140, 171
A.	39, 52
B.	38, 50
C.	29, 52
D.	39, 39
Answer» B. 38, 50