Correct Answer - Option 3 : 12
The logic follows here is:
Row wise: 1st number × 3rd number + 18 = middle number
Row (1) → 10 × 4 + 18 = 40 + 18 = 58
Row (2) → 8 × 2 + 18 = 16 + 18 = 34
Similarly,
Row (3) → 6 × ? + 18 = 90
? = (90 - 18) ÷ 6
? = 72 ÷ 6
? = 12
Hence, 12 is the correct answer.