1.  Which one will replace the question mark ?
A. 36
B. 48
C. 38
D. 30

Answer: Option C

Explanation:

(0 + 2 + 6 + 4) - 2 = 10

and (6 + 2 + 10 + 8) - 2 = 24

Therefore, (4 + 14 + 12 + 10) - 2 = 38.