Brain Teasers and Puzzles

643 topics in this forum

1. secret message... i just cant figure it out! help! 1 2 3

   By Guest isuit, May 2, 2005
   • 67 replies
   • 14k views
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   • demon
   • February 21, 2017

2. A straight forward Chess Puzzle ! 1 2 3

   By Commander, February 3, 2017
   • 67 replies
   • 9k views
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   • The Almighty
   • February 10, 2017

3. 2 Very cool chess puzzles

   By Lord Antares, February 6, 2017
   • 14 replies
   • 4.8k views
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   • Lord Antares
   • February 8, 2017

4. Another Simple Puzzle !

   By Commander, February 5, 2017
   • 12 replies
   • 2.1k views
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   • Commander
   • February 6, 2017

5. May be a Simple Series Puzzle !

   By Commander, August 29, 2015
   • 16 replies
   • 3.3k views
   • 
   • Commander
   • January 28, 2017

6. Overused tricky question?

   By The Almighty, January 13, 2017
   • 10 replies
   • 2.4k views
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   • imatfaal
   • January 21, 2017

7. Proposal for the deciphering of the Voynich Manuscript:

   By Tom O'Neil, December 29, 2016
   • 1 reply
   • 1.8k views
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   • swansont
   • December 29, 2016

8. What's the digit in the unit's place

   By Sriman Dutta, December 27, 2016
   • 2 replies
   • 1.6k views
   • 
   • Sriman Dutta
   • December 27, 2016

9. The infinite Hotel Paradox - a question.

   By koti, December 21, 2016
   • 8 replies
   • 2.6k views
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   • Delta1212
   • December 23, 2016

10. A simple question

    By The Almighty, December 16, 2016
    • 17 replies
    • 3.1k views
    • 
    • Butch
    • December 19, 2016

11. What's the next number ?

    By Sriman Dutta, October 4, 2016
    • 7 replies
    • 1.9k views
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    • AshBox
    • December 19, 2016

12. Right Foot Forward...

    By Sriman Dutta, October 21, 2016
    • 6 replies
    • 3.9k views
    • 
    • DevilSolution
    • December 17, 2016

13. Series...

    By Sriman Dutta, December 13, 2016
    • 4 replies
    • 1.9k views
    • 
    • imatfaal
    • December 14, 2016

14. symbolic language used for an equation

    By Tom O'Neil, November 1, 2016
    • 11 replies
    • 2.6k views
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    • AbstractDreamer
    • December 1, 2016

15. Socks

    By Butch, November 18, 2016
    • 8 replies
    • 1.9k views
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    • Daecon
    • November 23, 2016

16. Nails and screws

    By Butch, November 19, 2016
    • 9 replies
    • 5.4k views
    • 
    • AbstractDreamer
    • November 22, 2016

17. Number of marbles

    By Sriman Dutta, October 29, 2016
    • 6 replies
    • 2k views
    • 
    • imatfaal
    • November 17, 2016

18. Bacteria in a glass !

    By Sriman Dutta, October 24, 2016
    • 21 replies
    • 3.5k views
    • 
    • StringJunky
    • October 26, 2016

19. 4s to make 1000

    By Sriman Dutta, October 21, 2016
    • 5 replies
    • 2.1k views
    • 
    • Sriman Dutta
    • October 21, 2016

20. Squares and Cubes

    By Sriman Dutta, October 18, 2016
    • 10 replies
    • 1.8k views
    • 
    • Sriman Dutta
    • October 21, 2016

21. 3s to make 31

    By Sriman Dutta, October 18, 2016
    • 2 replies
    • 1.4k views
    • 
    • Sriman Dutta
    • October 18, 2016

22. Pawn Alice

    By TimeSpaceLightForce, September 30, 2016
    • 11 replies
    • 2.2k views
    • 
    • TimeSpaceLightForce
    • October 16, 2016

23. Is the platypus a mammal ?

    By A for Alex, October 3, 2016
    • 9 replies
    • 2.1k views
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    • J.C.MacSwell
    • October 4, 2016

24. Bias and Liar

    By TimeSpaceLightForce, September 24, 2016
    • 11 replies
    • 2.1k views
    • 
    • Sriman Dutta
    • September 28, 2016

25. Water Tank

    By TimeSpaceLightForce, September 22, 2016
    • 19 replies
    • 3.4k views
    • 
    • imatfaal
    • September 24, 2016