UPSC CAPF Assistant Commandant Model Paper 6

The pattern followed here is,
18 α 12 = 3 → (18 – 12) ÷ 2 = 3
2 α 14 = -6 → (2 – 14) ÷ 2 = -6
4 α 4 = 0 → (4 – 4) ÷ 2 = 0
Similarly,
2 α 16 → (2 – 16) ÷ 2 = -7
Hence, the correct answer is -7.