Correct Answer & Explanation
Option C
• The pattern is multiplying by 3 and adding consecutive odd numbers:
5 × 3 + 1 = 16
16 × 3 + 3 = 51
51 × 3 + 5 = 158
158 × 3 + 7 = 474 + 7 = 481
• Hence, the correct term is 481.