Identify the incorrect letter in the series: A, B, D, E, G, H, J

B. D

What is the next letter in the series: A, C, E, G, ?

A. I

Complete the series: a, c, e, g, ?

B. H

What letter comes next in the series: a, e, i, o, ?

A. U

What letter should come next in the series: a, c, e, g, ?

B. H