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. What is the missing character?

A. 16

In the pattern X, Y, Z, ?, A, B, what character should fill the gap?

A. W

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

B. H

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

B. 32