Study the given pattern carefully and select the number that can replace the question mark (?) in it.

(Top number + left number) - (Bottom number + right number) = Middle number

Figure 1:

= (10 + 12) - (5 + 7)

= 22 - 12

= 10

Figure 2:

= (16 + 11) - (4 + 8)

= 27 - 12

= 15