Brain Teasers and Puzzles

653 topics in this forum

1. What's the weight of the part?

   By needimprovement, August 5, 2010
   • 9 replies
   • 2k views
   • 
   • Guest
   • August 10, 2010

2. Please solve this equation

   By needimprovement, August 5, 2010
   • 6 replies
   • 2.1k views
   • 
   • Sisyphus
   • August 5, 2010

3. Scientific Expedition

   By needimprovement, August 5, 2010
   • 0 replies
   • 1.1k views
   • 
   • needimprovement
   • August 5, 2010

4. Probabilities

   By D H, July 30, 2010
   • 2 replies
   • 1.4k views
   • 
   • DJBruce
   • July 31, 2010

5. Love

   By rigney, July 27, 2010
   • 0 replies
   • 1.8k views
   • 
   • rigney
   • July 27, 2010

6. Another Teaser

   By rigney, July 22, 2010
   • 4 replies
   • 1.6k views
   • 
   • Moontanman
   • July 26, 2010

7. Who am I ?

   By gentleman-farmer, July 21, 2010
   • 5 replies
   • 1.8k views
   • 
   • Genecks
   • July 22, 2010

8. puzzle: "What is it?"

   By aps181ster, March 9, 2010
   • 2 replies
   • 1.5k views
   • 
   • JordanRHughes
   • July 9, 2010

9. Riddle me this!

   By Bazzyrick, July 1, 2010
   • 3 replies
   • 1.6k views
   • 
   • JordanRHughes
   • July 6, 2010

10. [Need Help] Magician's Prediction of 2010 FIFA World Cup Winner Cryptogram

    By cryptofreak888, June 18, 2010
    • 8 replies
    • 2.5k views
    • 
    • JohnB
    • June 21, 2010

11. Codebreaker Wanted~Find the diamonds

    By redrooster, December 5, 2009
    • 14 replies
    • 3.5k views
    • 
    • redrooster
    • April 9, 2010

12. My favorite psych question:

    By Icefire, March 25, 2010
    • 11 replies
    • 4.3k views
    • 
    • pioneer
    • April 6, 2010

13. Pythagoras

    By Norman Albers, December 26, 2009
    • 18 replies
    • 5.6k views
    • 
    • TheDrBraniac
    • April 3, 2010

14. Orange vs.lighter

    By lucky45, January 23, 2010
    • 5 replies
    • 2.6k views
    • 
    • jryan
    • March 25, 2010

15. Orange

    By lucky45, January 23, 2010
    • 11 replies
    • 3.2k views
    • 
    • jryan
    • March 25, 2010

16. Fast

    By lucky45, January 20, 2010
    • 12 replies
    • 4.5k views
    • 
    • insane_alien
    • January 22, 2010

17. logicalli reasoning

    By georgeramusane, December 4, 2009
    • 3 replies
    • 2.3k views
    • 
    • michel123456
    • December 5, 2009

18. Trivial Hazh games equation

    By alan2here, November 28, 2009
    • 5 replies
    • 2.1k views
    • 
    • alan2here
    • December 2, 2009

19. Math Brain Teaser

    By Mashfiq, November 5, 2009
    • 16 replies
    • 4k views
    • 
    • doG
    • November 20, 2009

20. Question...

    By Bettina, November 2, 2009
    • 24 replies
    • 6.1k views
    • 
    • ishmael
    • November 10, 2009

21. Simple mathematical puzzle...

    By Syntho-sis, September 25, 2009
    • 4 replies
    • 2.4k views
    • 
    • Syntho-sis
    • November 2, 2009

22. 2 easy math riddles

    By coke, April 1, 2009
    • 20 replies
    • 9.7k views
    • 
    • Lkreyna2
    • October 19, 2009

23. Some I.Q. questions.

    By M.Saad, August 21, 2009
    • 5 replies
    • 4.5k views
    • 
    • ferrywayes
    • September 15, 2009

24. Help with word puzzle

    By RainbowJ, September 1, 2009
    • 3 replies
    • 1.9k views
    • 
    • sandy85
    • September 11, 2009

25. unconventional math

    By Baby Astronaut, January 21, 2009
    • 6 replies
    • 3.6k views
    • 
    • sandy85
    • September 10, 2009