What number comes next? 18, 10, 6, 4, 3, ?
- 8
- 4
- 3.5
- 2.5
Explanation
By observing the pattern:
- 18 → 10 (subtract 8)
- 10 → 6 (subtract 4)
- 6 → 4 (subtract 2)
- 4 → 3 (subtract 1)
- 3 → ?
Following the pattern of halving the subtraction amount, the next step would be subtracting 0.5, giving:
3 - 0.5 = 2.5
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