jay_shark and the other math brains......here is another group

[VeryTnA]

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

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The next number in the series 46, 45, 43, 40, 36, is:

............
The next number in the series 20, 23, 28, 14, 17, 22, 11, is:

..............
The next number in the series 18, 9, 11, 14, 7, 9, 12, is:


.........
Thanks again! I'll give all the details in just a bit.