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

A. I

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

B. H

Find the incorrect letter in the series: A, D, G, J, M, P, S, V

D. V

Identify the missing letter in the series: Z, X, V, T, ?

B. S

Identify the missing letter in the series: Z, X, V, T, ?

B. S