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

C. 32

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

C. 32

Identify the next term in the series: 5, 10, 20, 40, ?

C. 80

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

A. V

In a series where each letter is represented by its position in the alphabet (A=1, B=2, etc.), what is the sum of the positions of the letters C, E, and G?

B. 15