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

A. Z

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

A. 16

In the sequence 2, 4, 8, 16, ?, 64, what is the missing number?

A. 32

Find the missing character in the series M, N, O, ?, Q, R.

A. P

In the sequence: M, N, O, ?, Q, R. What letter is missing?

A. P