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1. 4 - 18 - 48 - ? - 180
2. A - Z - C - X - E - ?
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4. 0 - 3 - 8 - 15 - 24 - ? - 48
5. FNC - HQG - JTK - ?
6. 2 - 3 - 6 - 15 - 42 - ?
7. 2 - 3 - 10 - 29 - 66 - ?
8. 2 - 12 - 36 - 80 - 150 - ?
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10. 0 - 2 - 6 - 12 - ? - 30 - 42
11. 6341 - 5432 - ? - 3614
12. 25 - 35 - 55 - ? - 125
13. 48 - 24 - 96 - 48 - 192 - ?
14. Y - S - U - O - Q - ??
15. AC - FH - K? - PR - UW
16. 1 - 2 - 6 - 24 - ? - 720
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18. H J M Q ?
19. 4 - 10 - 22 - 46 - ?
20. 3 - 5 - 9 - 15 - 23 - 33 - 45 - 59 - ?
21. 1 - 0 - 3 - 2 - 5 - 6 - ?
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23. A C F J O ? B
24. 15 - 23 - 31 - 39 - ? - 54 - 61
25. T9NKHEBYVSP???

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