Correct option is D
Logic: Sum of all sides 2 = Middle Number
Figure (I):
=(8 + 4 + 12 + 2)
= 26 2
= 13
Figure (II):
=(16 + 8 + 24 + 4)
= 52 2
= 26
Similarly,
Figure (III);
(14 + 22+ ? + 2) = 22
(38 + ?) 2 = 22
38 + ? = 44
? =44 - 38
? = 6
Thus, correct option is (d).







