From the given options, select the option that can replace the question mark (?) in the following series.

26A2, 4E6, 8I10, 14O16, ?

Given: 26A2, 4E6, 8I10, 14O16, ?

Logic: Before letter position number | Vowel position number | After letter position number

Vowel: A → 1st vowel

Left Number: 26

Right Number: 2

Vowel: E → 2nd vowel

Left Number: 4

Right Number: 6

Vowel: I → 3rd vowel

Left Number: 8

Right Number: 10

Vowel: O → 4th vowel

Left Number: 14

Right Number: 16

Vowel: U → 5th vowel

Left Number: 20

Right Number: 22

Thus, the correct option is (b) 20U22.​