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

A. I

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, ?

A. I

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

B. H

Identify the missing letter in the series: Z, Y, X, W, ?

A. V