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Quiz for October 17, 2026

Scheduled date • UTC · easy · Reviewed by SparkKindly site owner

Using n × (n + 1), starting at n = 1, what comes after 2, 6, 12, 20?
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30

The terms are 1×2, 2×3, 3×4 and 4×5. The next term is 5×6 = 30. The stated rule makes this answer unambiguous.

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