In a sequence where each letter is followed by its position in the alphabet, what is the code for 'HELLO'?

A. 8-5-12-12-15

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

B. H

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

C. 32

Identify the pattern: 1, 1, 2, 3, 5, 8. What is the next number?

D. 13

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

A. V