What is the missing letter in the sequence: M, N, O, ?, Q?

A. P

What is the missing number in the sequence: 2, 5, 10, ?, 26?

C. 21

Pencil is to Write as Brush is to ?

A. PAINT

Clock is to Time as Thermometer is to ?

A. TEMPERATURE

SUN is to DAY as MOON is to ?

A. NIGHT