Find the missing letter in the sequence M, N, O, ?, Q, R.

A. P

What character should replace the question mark in the pattern: X, Y, Z, A, B, ?

A. C

Pencil is to Write as Brush is to ?

A. PAINT

If the pattern is A1, B2, C3, ?, E5, what should replace the question mark?

A. D4

What character is missing in the series M, N, O, ?, Q, R?

A. P