Correct Answer & Explanation
Option A
• The pattern alternates between (× 2 + 1) and (× 2 - 1).
7 × 2 + 1 = 15
15 × 2 - 1 = 29
29 × 2 + 1 = 59
59 × 2 - 1 = 117
Missing term = 117 × 2 + 1 = 234 + 1 = 235