Complete the series: 1, 2, 6, 12, 36, 72, 216, ........?
- 440
- 456
- 432
- 458
Explanation
Look at the pattern of the series:
1 → 2 (×2)
2 → 6 (×3)
6 → 12 (×2)
12 → 36 (×3)
36 → 72 (×2)
72 → 216 (×3)
The pattern is multiplying alternatively by 2 and 3.
So, after 216, multiply by 2:
216 × 2 = 432
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