What character should replace the question mark in the pattern: X, Y, Z, A, B, ?

A. C

In the sequence 2, 4, 8, 16, ?, 64, what is the missing number?

A. 32

Identify the missing character in the series 1, 4, 9, ?, 25.

A. 16

What character should fill the blank in the sequence X, Y, ?, Z?

B. B

In the series X, Y, Z, ?, B, C, what character should replace the question mark?

A. A