Correct Answer & Explanation
Option B
• The pattern follows multiplying by 2 and adding a decreasing constant:
7 × 2 + 5 = 19
19 × 2 + 4 = 42
42 × 2 + 3 = 87
87 × 2 + 2 = 174 + 2 = 176
• Hence, the correct number is 176.