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Showing below up to 50 results in range #1 to #50.

1. Palindromic odometer‏‎ (17:23, 23 April 2010)
2. Houses and utilities‏‎ (11:55, 13 May 2010)
3. Egg timers‏‎ (10:06, 20 May 2010)
4. Eight queens‏‎ (20:00, 26 May 2010)
5. Nine prisoners‏‎ (12:23, 28 May 2010)
6. Six towns‏‎ (20:21, 31 May 2010)
7. Lying to the young‏‎ (11:59, 5 June 2010)
8. Earings‏‎ (18:07, 7 June 2010)
9. Ten digit number‏‎ (09:08, 8 June 2010)
10. Divisible by nine digits‏‎ (19:08, 13 July 2010)
11. Jogging a hill‏‎ (12:00, 19 August 2010)
12. Three prisoners‏‎ (07:03, 20 August 2010)
13. Three guesses‏‎ (11:22, 26 August 2010)
14. Seven orbs‏‎ (12:32, 11 October 2010)
15. Friends at a party‏‎ (05:46, 13 October 2010)
16. True or false‏‎ (17:57, 13 October 2010)
17. Light bulb‏‎ (18:49, 14 October 2010)
18. Three couples‏‎ (06:06, 21 October 2010)
19. Fill in the blanks‏‎ (07:03, 21 October 2010)
20. Probably blackjack‏‎ (01:09, 22 October 2010)
21. Turn off a calculator‏‎ (18:39, 6 November 2010)
22. Friends or non-friends‏‎ (17:44, 7 November 2010)
23. Fifteen‏‎ (12:10, 18 November 2010)
24. Prom problem‏‎ (17:13, 23 November 2010)
25. Three logicians‏‎ (17:14, 23 November 2010)
26. Wrong address‏‎ (17:14, 23 November 2010)
27. Angels and demons‏‎ (17:14, 23 November 2010)
28. Bags of gems‏‎ (17:15, 23 November 2010)
29. Five towns‏‎ (17:16, 23 November 2010)
30. Splitting ten‏‎ (17:19, 23 November 2010)
31. Double Russian roulette‏‎ (17:19, 23 November 2010)
32. Frog staircase‏‎ (17:19, 23 November 2010)
33. Failed exams‏‎ (05:45, 24 November 2010)
34. Forty thieves‏‎ (05:46, 24 November 2010)
35. Times of day‏‎ (05:50, 24 November 2010)
36. Twelve weights‏‎ (05:50, 24 November 2010)
37. Two guards‏‎ (05:50, 24 November 2010)
38. Three digit magic‏‎ (05:50, 24 November 2010)
39. Blank dice‏‎ (05:51, 24 November 2010)
40. Two EGGs‏‎ (05:51, 24 November 2010)
41. Nine minute fuse‏‎ (05:51, 24 November 2010)
42. Red vs black‏‎ (05:51, 24 November 2010)
43. Poison‏‎ (05:51, 24 November 2010)
44. Farmer and the boat‏‎ (05:51, 24 November 2010)
45. Eight weights‏‎ (05:51, 24 November 2010)
46. Green eyed dragons‏‎ (05:52, 24 November 2010)
47. Five pirates‏‎ (05:52, 24 November 2010)
48. Commuter‏‎ (05:52, 24 November 2010)
49. Next number‏‎ (05:52, 24 November 2010)
50. Three princesses‏‎ (05:52, 24 November 2010)