Find the missing character in the sequence: X, Y, ?, A, B, C.

A. Z

In the sequence A, B, C, D, ?, F, G, what character should replace the question mark?

A. E

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

In the pattern 2, 4, 8, ?, 32, what number should replace the question mark?

B. 16