Brain Teasers and Puzzles

643 topics in this forum

1. The sum of the series

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

2. Multi story equation

   By Genady, April 29, 2023
   • 1 reply
   • 238 views
   • 
   • TheVat
   • April 30, 2023

3. 9x9 magic squares:

   By destenavesy, January 30, 2023
   • 1 reply
   • 664 views
   • 
   • Genady
   • April 27, 2023

4. Alpha Numeric Puzzle !

   By Commander, September 3, 2022
   • 4 replies
   • 3.4k views
   • 
   • Genady
   • April 27, 2023

5. 17 apples

   By Genady, December 25, 2021
   • 11 replies
   • 1.7k views
   • 
   • Genady
   • April 25, 2023

6. A straight forward Geometrical question !

   By Commander, January 6, 2023
   • 7 replies
   • 885 views
   • 
   • Commander
   • April 21, 2023

7. I wanted to ask a question so I created an account!

   By Chickes, February 12, 2023
   • 6 replies
   • 926 views
   • 
   • mistermack
   • February 12, 2023

8. Termperature conversion conundrum.

   By E.E. DS Avalon, January 14, 2023
   • 2 replies
   • 697 views
   • 
   • E.E. DS Avalon
   • January 14, 2023

9. Come September

   By Commander, September 3, 2022
   • 0 replies
   • 607 views
   • 
   • Commander
   • September 3, 2022

10. Another easy one !

    By Commander, August 30, 2022
    • 0 replies
    • 654 views
    • 
    • Commander
    • August 30, 2022

11. A very easy one !

    By Commander, August 13, 2022
    • 19 replies
    • 1.8k views
    • 
    • Commander
    • August 26, 2022

12. item puzzles

    By ancient, May 17, 2022
    • 17 replies
    • 2.8k views
    • 
    • ancient
    • July 10, 2022

13. Murder Mystery puzzle book. Who are the 5 murderers?

    By huywinter, May 6, 2022
    • 1 reply
    • 1.1k views
    • 
    • swansont
    • May 6, 2022

14. 21 Jan 2022 Time Pass Puzzle

    By Commander, January 21, 2022
    • 1 reply
    • 1.5k views
    • 
    • Commander
    • February 22, 2022

15. hex code cryptogram

    By localize, February 15, 2022
    • 0 replies
    • 965 views
    • 
    • localize
    • February 15, 2022

16. Brain teaser: travelling faster than the wind. 1 2

    By Arthur Smith, January 11, 2022
    • 44 replies
    • 3.9k views
    • 
    • md65536
    • February 10, 2022

17. What's wrong with this picture?

    By Genady, February 9, 2022
    • 0 replies
    • 705 views
    • 
    • Genady
    • February 9, 2022

18. A Riddle Or Not + Zeno's Moving Arrow

    By Intoscience, November 10, 2021
    • 6 replies
    • 1.4k views
    • 
    • studiot
    • January 6, 2022

19. Find two 4 digit numbers that multiply to give 4^8 + 6^8 + 9^8

    By Genady, January 1, 2022
    • 8 replies
    • 1.2k views
    • 
    • Genady
    • January 5, 2022

20. Area Puzzle 12 Nov 2021

    By Commander, November 12, 2021
    • 7 replies
    • 1.8k views
    • 
    • Commander
    • December 17, 2021

21. Chemistry/Maths Beer Pouring Puzzle

    By studiot, October 21, 2021
    • 6 replies
    • 1.5k views
    • 
    • studiot
    • October 23, 2021

22. Subtext cipher?

    By CACHERX, September 30, 2011
    • 6 replies
    • 21.8k views
    • 
    • Maro
    • September 13, 2021

23. How much land is on Kepler-22b

    By TexasJustice, May 24, 2021
    • 3 replies
    • 3k views
    • 
    • exchemist
    • May 24, 2021

24. Friends Walking !

    By Commander, November 24, 2020
    • 6 replies
    • 4.1k views
    • 
    • Commander
    • February 22, 2021

25. Subtext cipher?

    By Xorim, February 1, 2021
    • 3 replies
    • 2.9k views
    • 
    • Sensei
    • February 8, 2021