Complete the sequence: 2, 6, 18, ____, 486. Find the 4th term from the last?
- 18
- 9
- 27
- None of these
Explanation
Look at the pattern: each term × 3
2 → 6 → 18 → ? → ? → 486
So 18 × 3 = 54
54 × 3 = 162
162 × 3 = 486
Full sequence: 2, 6, 18, 54, 162, 486
Now "4th term from the last"
Last = 486, 2nd last = 162, 3rd last = 54, 4th last = 18.
Last verified on 24-06-2026
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