What comes next in the pattern: Z, Y, X, W, ?

A. V

If the pattern is 5, 10, 20, 40, what is the next number?

C. 80

Identify the pattern: 1, 1, 2, 3, 5, 8, ?

D. 13

What comes next in the pattern: 1, 1, 2, 3, 5, 8?

A. 10

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

B. H