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# Math Challenge Problems Forum

Math Challenge Problem Forum: For challenging math problems (that you can solve yourself)

• Replies: 0
• Views: 1,243
Apr 15th 2014, 04:32 PM
1. ### Stairs puzzle

• Replies: 2
• Views: 1,952
Mar 30th 2005, 02:25 PM
2. ### Rope around the world

• Replies: 2
• Views: 2,035
Apr 9th 2005, 04:18 AM
3. ### A difficult math puzzle!! (Give it a try)

• Replies: 3
• Views: 2,321
Apr 24th 2005, 07:12 AM
4. ### Sequence

• Replies: 4
• Views: 1,568
Apr 25th 2005, 01:14 PM
5. ### 7 14 21 28 4

• Replies: 2
• Views: 1,469
Apr 30th 2005, 03:32 PM
6. ### [SOLVED] Golden Number linked to 666

• Replies: 2
• Views: 2,333
Apr 30th 2005, 06:38 PM
7. ### [SOLVED] help: strange characters

• Replies: 0
• Views: 1,640
May 4th 2005, 12:53 PM
8. ### Geometry Puzzle

• Replies: 6
• Views: 2,217
Jun 3rd 2005, 04:04 AM
9. ### Sudoku

• Replies: 2
• Views: 1,513
Jun 3rd 2005, 11:08 AM
10. ### Need help on POW 12: The Big Knight Switch

• Replies: 2
• Views: 4,570
Jun 5th 2005, 04:35 PM
11. ### Help... math teaser

• Replies: 2
• Views: 1,651
Jun 8th 2005, 02:22 AM

• Replies: 1
• Views: 1,890
Jun 24th 2005, 11:29 AM
13. ### Einstein's riddle

• Replies: 4
• Views: 2,368
Jun 27th 2005, 12:17 PM
14. ### multiplication puzzle

• Replies: 1
• Views: 1,426
Jul 23rd 2005, 08:01 PM
15. ### Mr. X

• Replies: 4
• Views: 2,006
Aug 16th 2005, 08:18 PM
16. ### 4 4's Puzzler

• Replies: 2
• Views: 2,414
Sep 8th 2005, 12:21 PM
17. ### X's and O's puzzler

• Replies: 7
• Views: 1,820
Sep 22nd 2005, 12:41 AM
18. ### Coin descrimination

• Replies: 1
• Views: 1,107
Oct 9th 2005, 06:06 PM
19. ### problem puzzler

• Replies: 8
• Views: 1,231
Oct 31st 2005, 11:25 AM
20. ### Disprove proof of 2=1

• Replies: 2
• Views: 2,455
Nov 4th 2005, 02:09 PM
21. ### How many rectangles in a 10 x 10 checkerboard?

• Replies: 3
• Views: 3,949
Nov 11th 2005, 11:57 PM
22. ### math game

• Replies: 3
• Views: 1,107
Nov 16th 2005, 12:46 PM
23. ### puzzler

• Replies: 1
• Views: 1,362
Dec 8th 2005, 09:08 AM
24. ### Where's the Extra Dollar

• Replies: 7
• Views: 3,005
Dec 21st 2005, 08:45 AM
25. ### Solve THIS!

• Replies: 8
• Views: 1,382
Jan 10th 2006, 03:14 PM

• Replies: 0
• Views: 1,084
Jan 13th 2006, 08:29 PM

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