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What number comes next 1 3 6 10 15?

Updated: 4/28/2022
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14y ago

Best Answer

21

here's why

there's an increasing additive in there. 1+2=3, 3+3=6, 6+4=10, 10+5=15, 15+6=21. get it?

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14y ago
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Q: What number comes next 1 3 6 10 15?
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