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

C. 32

If the sequence is 1, 1, 2, 3, 5, 8, what is the next number?

D. 13

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

C. 32

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

A. V

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

D. 13