Pseudo wrote:7: 111221
8: 70
17: 5047
ALL CORRECT PSEUDO
by magpie in the 80's » Thu Jul 10, 2008 1:32 pm
Pseudo wrote:7: 111221
8: 70
17: 5047
by magpie in the 80's » Fri Jul 11, 2008 12:11 pm
magpie in the 80's wrote:WHAT IS THE NEXT NUMBER
1. 43, 616, 63242, 444394507
2. 5, 13, 23, 37, 47
3. 7, 10, 17, 27, 42, 66
4. 13, 24, 45, 86, 167
5. 34, 48, 71, 110
6. 1, 2, 5, 10, 17, 26, ... 37
7. 1, 11, 21, 1211, 111221
8. 1, 3, 6, 11, 20, 37, ... 70
9. Take a 3 by 3 square. The first row reads: 3, 5, 8. The second one: 4, 1, 7 and the last one: 14, 12, ?? Which number is missing? 30
10. What's the sum of the numbers 1 to 20? 210
11. 120, 60, 40, 30, 24, ... 20
12. 0, 2, 6, 12, 20, 30, 42, 56, 72, ... 90
13. Take a 3 by 3 square. The first row reads: 9, 1, 7. The second row: 8, 2, 4. The third row: 7, 3, ... 1
14. 100, 81, 64, 49, ... 36
15. 4, 9, 25, 49, 121, 169, ... 289
16. 1, -1, 2, -3, 4, -7, 6, -11, 8, -15, 14, ... -17
17. 2, 4, 9, 28, 125, 726, ... 5047
18. Take a 3 by 3 square. The first row reads: 1, 3, 10. The second: 2, 2, 8 and the third: 3, 1, ... 6
19. 1, 2, -1, -4, -9, -54, -61, ... -488
20. When I add up the numbers 10, 20, 30, ..., untill 200 (200 included), what will be the sum? 2100
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