In the series 2, 4, 8, 16, what is the next number?

B. 32

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

B. H

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

D. 13

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

A. C

In the sequence 5, 10, 15, 20, what is the next number?

B. 25