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

A. E

Identify the missing letter in the sequence: M, N, O, ?, Q.

A. P

Find the missing character in the pattern: X, Y, Z, ?, B.

A. A

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

A. E

Identify the missing character in the series 1, 4, 9, ?, 25, 36.

A. 16