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

A. E

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

A. P

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

A. 16

If the pattern is 1, 2, 4, ?, 16, what number should replace the question mark?

A. 8

What character should replace the question mark in the sequence 3, 6, 9, ?, 15?

B. 12