A, C, E, G, ?

A. I

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

What is the next letter in the series: B, E, I, N, ?

A. R

What letter comes next in the series: M, O, Q, S, ?

B. T