Find the odd one out in the series: A, C, E, G, I, K, M, O, Q, S, U, W, ?

B. V

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

B. H

What letter should replace the question mark in the series: z, x, v, t, ?

C. Q

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

B. H

Identify the missing letters in the series: b, d, f, h, ?

A. J