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Complete the pattern. 1, 1, 2, 6, 24, __

2 Answers

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The next number is 120.

1x1 = 1
2x1 = 2
3x2 = 6
4x6 = 24
5x24 = 120
6x120= 720
and so on.

You see the pattern. So, the series is 1, 1, 2, 6, 24, 120, 720, …
In general, the nth number is (n-1)!

User Netzaffin
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1,1, 2, 6, 24, 120, 270, and so on.
User Naoko
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