Brain Teasers and Puzzles

639 topics in this forum

1. The Riddles Thread 1 2 3

   By MolecularMan14, August 28, 2004
   • 50 replies
   • 11.1k views
   • 
   • Pre4edgc
   • February 28, 2007

2. The Seagull question 1 2

   By uncool, May 9, 2005
   • 43 replies
   • 9.7k views
   • 
   • Callipygous
   • July 5, 2005

3. The sum of the series

   By Genady, April 29, 2023
   • 4 replies
   • 481 views
   • 
   • Genady
   • April 30, 2023

4. The switches

   By QuantumT, December 29, 2018
   • 8 replies
   • 1.4k views
   • 
   • QuantumT
   • December 30, 2018

5. The unanswered puzzle

   By TimeSpaceLightForce, November 11, 2016
   • 13 replies
   • 7.6k views
   • 
   • Handy andy
   • May 11, 2017

6. The Wetter it Gets!

   By megachirops, June 27, 2011
   • 2 replies
   • 1.6k views
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   • Sciduck
   • August 5, 2011

7. This is also a bit fishy...

   By Ferdinand, January 17, 2006
   • 2 replies
   • 1.6k views
   • 
   • ski_power
   • January 17, 2006

8. Time and date trivia

   By Franklin, May 1, 2006
   • 5 replies
   • 2.3k views
   • 
   • Franklin
   • May 1, 2006

9. Time traveler puzzle 1 2

   By questionposter, March 24, 2012
   • 44 replies
   • 10.2k views
   • 
   • Epicurus
   • July 8, 2015

10. Timeless universe

    By Fred56, November 2, 2007
    • 16 replies
    • 3.3k views
    • 
    • Klaynos
    • February 24, 2008

11. Tire spots

    By Butch, September 28, 2017
    • 5 replies
    • 1.8k views
    • 
    • Butch
    • November 2, 2017

12. To test your mental acuity, answer the following questions 1 2 3 4

    By Alan McDougall, January 5, 2014
    • 75 replies
    • 27.3k views
    • 
    • TakenItSeriously
    • July 8, 2016

13. Togetherness

    By hypervalent_iodine, February 24, 2012
    • 12 replies
    • 2.3k views
    • 
    • hypervalent_iodine
    • February 28, 2012

14. Tough Series Puzzle

    By MindPuzzleMe, May 3, 2015
    • 8 replies
    • 2.7k views
    • 
    • wayne_m
    • September 22, 2016

15. Traffic, roads, and travel time

    By Genady, August 14, 2023
    • 8 replies
    • 637 views
    • 
    • TheVat
    • August 15, 2023

16. Translate

    By crzykllrghst, April 7, 2005
    • 9 replies
    • 2.6k views
    • 
    • YT2095
    • April 8, 2005

17. Tricks

    By gwiyomi17, May 24, 2013
    • 7 replies
    • 2.5k views
    • 
    • Ihcisphysicist
    • September 8, 2013

18. Trivia

    By Franklin, January 24, 2006
    • 16 replies
    • 3.2k views
    • 
    • hotcommodity
    • March 1, 2006

19. Trivial Hazh games equation

    By alan2here, November 28, 2009
    • 5 replies
    • 2k views
    • 
    • alan2here
    • December 2, 2009

20. try this

    By Moopy, August 17, 2005
    • 7 replies
    • 2.4k views
    • 
    • Trond
    • December 19, 2005

21. Try this one !

    By Commander, February 5, 2019
    • 5 replies
    • 1.7k views
    • 
    • Commander
    • February 7, 2019

22. Try to solve it

    By fishermangeorgerando, August 14, 2011
    • 18 replies
    • 5.7k views
    • 
    • Faz
    • November 2, 2011

23. ttime

    By razorfane, March 27, 2005
    • 3 replies
    • 2k views
    • 
    • razorfane
    • March 27, 2005

24. Turtle Soup. 1 2

    By LastHit, July 27, 2013
    • 34 replies
    • 40.4k views
    • 
    • Hypsibius
    • March 20, 2018

25. Two guards question...

    By JonM, February 23, 2006
    • 8 replies
    • 2.7k views
    • 
    • Sisyphus
    • February 28, 2006