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

A. 16

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

B. 32

Identify the missing character in the series: 2, 4, 8, 16, ?, 64. What is the missing number?

B. 32

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

A. W

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

A. 16