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Q: The next number in the series is 21 18 9 27 24 12 36?

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The next number in the series 4-12-6-12-36-18-36.. is 108.

The next number in the series 4, 12, 6, 12, 36, 18, 36

18

108

108

108

108

24

26

108

The number 7 comes next.

24

108

30!

11

6

6

6

81

81

10 thought it was 108

12 because they are decreasing by increments of 6

18

21

This series is marked by the increasing difference between the numbers. The difference is 3, 6, 9, 12 and 15, making the next number 47 + 18 or 65.

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