Complete the series.
5, 12, 26, 54, ?, 222
Show answer & explanation
Correct answer: A
Explanation
5, 12, 26, 54, ?, 222
Pattern check:
5 × 2 + 2 = 12
12 × 2 + 2 = 26
26 × 2 + 2 = 54
Apply Same pattern:
54 × 2 + 2 = 110
110 × 2 + 2 = 222
Hence, missing term is 110.
The correct answer is option 1.