Brain Teasers and Puzzles

639 topics in this forum

1. Fraction

   By Commander, August 8, 2023
   • 11 replies
   • 809 views
   • 
   • Commander
   • August 17, 2023

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

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

3. Floating hourglass

   By Genady, September 10, 2023
   • 15 replies
   • 794 views
   • 
   • TheVat
   • September 11, 2023

4. A straight forward Geometrical question !

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

5. What is the mathematical equation in 2D and 3D for your body?

   By Z.10.46, August 14, 2023
   • 3 replies
   • 779 views
   • 
   • mistermack
   • August 20, 2023

6. Four marching bugs

   By Genady, May 16, 2023
   • 14 replies
   • 748 views
   • 
   • Genady
   • May 17, 2023

7. Traffic, roads, and travel time

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

8. Find the missing area

   By Genady, April 30, 2023
   • 3 replies
   • 645 views
   • 
   • Genady
   • May 12, 2023

9. What's wrong with this picture?

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

10. Mars rover

    By Genady, May 12, 2023
    • 20 replies
    • 640 views
    • 
    • Ken Fabian
    • May 15, 2023

11. Cube Cuts !

    By Commander, August 18, 2023
    • 10 replies
    • 640 views
    • 
    • Commander
    • August 19, 2023

12. Leaning tower

    By Genady, May 7, 2023
    • 5 replies
    • 633 views
    • 
    • Genady
    • June 5, 2023

13. Clock on an escalator

    By Genady, August 8, 2023
    • 4 replies
    • 618 views
    • 
    • joigus
    • August 9, 2023

14. Nomadic aliens

    By Genady, June 12, 2023
    • 5 replies
    • 599 views
    • 
    • Genady
    • June 16, 2023

15. Termperature conversion conundrum.

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

16. Another easy one !

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

17. The loop

    By Genady, June 1, 2023
    • 5 replies
    • 593 views
    • 
    • Genady
    • June 6, 2023

18. Sum of Prime Numbers

    By Genady, July 5, 2023
    • 6 replies
    • 588 views
    • 
    • Genady
    • July 5, 2023

19. 9x9 magic squares:

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

20. A winning strategy

    By Genady, May 23, 2023
    • 14 replies
    • 558 views
    • 
    • Genady
    • May 24, 2023

21. Come September

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

22. Find the numerical value

    By Genady, April 26, 2023
    • 7 replies
    • 508 views
    • 
    • Genady
    • May 3, 2023

23. Another missing area

    By Genady, May 1, 2023
    • 7 replies
    • 491 views
    • 
    • Genady
    • May 12, 2023

24. Bags of coins

    By Genady, May 13, 2023
    • 13 replies
    • 490 views
    • 
    • Genady
    • May 14, 2023

25. The sum of the series

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