In a series of numbers: 2, 4, 8, 16, ?, 64. What is the missing number?

B. 32

In a sequence of letters: A, C, E, G, ?, K. What is the missing letter?

C. H

Identify the missing character in the series: 2, 4, 6, ?, 10, 12.

B. 8

Identify the missing letter in the sequence: B, D, F, ?, J.

C. G

In the sequence: M, N, O, ?, Q, what letter is missing?

A. P