Brain Teasers and Puzzles

648 topics in this forum

1. A Chess Board Problem !

   By Commander, August 25, 2015
   • 1 reply
   • 1.7k views
   • 
   • Commander
   • August 27, 2015

2. A tough Problem !

   By Commander, August 25, 2015
   • 0 replies
   • 1.6k views
   • 
   • Commander
   • August 25, 2015

3. Light bulbs puzzle

   By TimeSpaceLightForce, August 21, 2015
   • 13 replies
   • 2.9k views
   • 
   • Acme
   • August 24, 2015

4. Magnetic Coin

   By TimeSpaceLightForce, July 25, 2015
   • 15 replies
   • 3.1k views
   • 
   • Commander
   • August 12, 2015

5. Spot the Magnetized Coin among 39 Coins in 4 weighings !

   By Commander, August 11, 2015
   • 0 replies
   • 1.8k views
   • 
   • Commander
   • August 11, 2015

6. Fun game/puzzle: Stump the clever bot 1 2

   By EquisDeXD, October 17, 2012
   • 25 replies
   • 10.2k views
   • 
   • Hendrick Laursen
   • August 1, 2015

7. Magnet Puzzle

   By MindPuzzleMe, May 3, 2015
   • 11 replies
   • 4.6k views
   • 
   • overtone
   • July 14, 2015

8. Time traveler puzzle 1 2

   By questionposter, March 24, 2012
   • 44 replies
   • 11k views
   • 
   • Epicurus
   • July 8, 2015

9. i am develpoing a tv ganme show its callewd CODES

   By Mitch Bass, November 23, 2014
   • 8 replies
   • 2.9k views
   • 
   • Mitch Bass
   • May 22, 2015

10. Can YOU Crack The Carousel?

    By The Carousel, April 7, 2015
    • 0 replies
    • 2k views
    • 
    • The Carousel
    • April 7, 2015

11. Really HARD puzzel-HELP

    By Wlpert1, March 19, 2015
    • 15 replies
    • 4.3k views
    • 
    • Lightmeow
    • March 24, 2015

12. How many Solutions are there to this arithmetic sum ?

    By Commander, March 20, 2015
    • 0 replies
    • 1.5k views
    • 
    • Commander
    • March 20, 2015

13. Daedalus' Eleventh Challenge

    By Daedalus, February 18, 2015
    • 9 replies
    • 3.1k views
    • 
    • Daedalus
    • March 13, 2015

14. Physics Brainteaser!

    By Mr. Astrophysicist, February 22, 2015
    • 16 replies
    • 3.6k views
    • 
    • GeneralDadmission
    • February 26, 2015

15. Guess the 4 letter verb ! A challenging pastime !!

    By Commander, January 17, 2015
    • 11 replies
    • 2.9k views
    • 
    • Commander
    • February 4, 2015

16. Anagrammatize (The Above Post)

    By MonDie, December 28, 2014
    • 7 replies
    • 2.6k views
    • 
    • Commander
    • January 17, 2015

17. LHC

    By sunshaker, December 14, 2014
    • 1 reply
    • 2k views
    • 
    • Sensei
    • December 20, 2014

18. Daedalus' Tenth Challenge

    By Daedalus, November 19, 2013
    • 24 replies
    • 9.2k views
    • 
    • Commander
    • December 15, 2014

19. Stretch your mind - a litle bit of fun 1 2 3 4 10

    By mossoi, November 17, 2004
    • 236 replies
    • 35.3k views
    • 
    • Commander
    • December 13, 2014

20. Can You Cross All the Seven Bridges of Konigsberg Once ?

    By Jothi, November 28, 2014
    • 5 replies
    • 3.3k views
    • 
    • Commander
    • December 13, 2014

21. Another Arithmetic Puzzle

    By Commander, December 12, 2014
    • 3 replies
    • 2.2k views
    • 
    • Robittybob1
    • December 13, 2014

22. 3 guys pay the same

    By JustinW, December 12, 2014
    • 4 replies
    • 1.9k views
    • 
    • Greg H.
    • December 12, 2014

23. A Simple Puzzle !

    By Commander, December 10, 2014
    • 18 replies
    • 6.1k views
    • 
    • studiot
    • December 12, 2014

24. Geometric teaser. Construct tangens for two circles.

    By noobsaibot, October 28, 2014
    • 12 replies
    • 2.6k views
    • 
    • LaurieAG
    • November 13, 2014

25. 3D PRISM VIEWING

    By sunshaker, October 27, 2014
    • 0 replies
    • 1.8k views
    • 
    • sunshaker
    • October 27, 2014