Identify the missing letter in the sequence: B, D, F, ?, J.

C. G

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

A. P

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

C. 18

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

A. 16

Teacher is to School as Doctor is to ?

A. HOSPITAL