Find the next letter in the series: Z, Y, X, W, ?

A. V

If the sequence is A, C, E, G, what is the next letter?

B. H

What comes next in the series: A1, B2, C3, D4, ?

A. E5

If the pattern is A, C, E, G, what comes next?

A. I

What is the next letter in the sequence: P, R, T, V?

C. W