# Math Challenge Problems Forum

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

• Replies: 0
• Views: 1,617
Apr 15th 2014, 04:32 PM
1. ### [SOLVED] help

• Replies: 1
• Views: 866
Jan 23rd 2006, 03:51 PM
2. ### Logic Puzzle

• Replies: 5
• Views: 1,348
Jan 22nd 2006, 10:51 AM
3. ### induction by absurd

• Replies: 1
• Views: 1,311
Jan 19th 2006, 09:48 AM
4. ### find the distance

• Replies: 9
• Views: 1,504
Jan 16th 2006, 11:35 AM

• Replies: 0
• Views: 1,136
Jan 13th 2006, 08:29 PM
6. ### Solve THIS!

• Replies: 8
• Views: 1,402
Jan 10th 2006, 03:14 PM
7. ### Where's the Extra Dollar

• Replies: 7
• Views: 3,044
Dec 21st 2005, 08:45 AM
8. ### puzzler

• Replies: 1
• Views: 1,409
Dec 8th 2005, 09:08 AM
9. ### math game

• Replies: 3
• Views: 1,139
Nov 16th 2005, 12:46 PM
10. ### How many rectangles in a 10 x 10 checkerboard?

• Replies: 3
• Views: 4,109
Nov 11th 2005, 11:57 PM
11. ### Disprove proof of 2=1

• Replies: 2
• Views: 2,600
Nov 4th 2005, 02:09 PM
12. ### problem puzzler

• Replies: 8
• Views: 1,258
Oct 31st 2005, 11:25 AM
13. ### Coin descrimination

• Replies: 1
• Views: 1,129
Oct 9th 2005, 06:06 PM
14. ### X's and O's puzzler

• Replies: 7
• Views: 1,851
Sep 22nd 2005, 12:41 AM
15. ### 4 4's Puzzler

• Replies: 2
• Views: 2,443
Sep 8th 2005, 12:21 PM
16. ### Mr. X

• Replies: 4
• Views: 2,044
Aug 16th 2005, 08:18 PM
17. ### multiplication puzzle

• Replies: 1
• Views: 1,476
Jul 23rd 2005, 08:01 PM
18. ### Einstein's riddle

• Replies: 4
• Views: 2,398
Jun 27th 2005, 12:17 PM

• Replies: 1
• Views: 1,913
Jun 24th 2005, 11:29 AM
20. ### Help... math teaser

• Replies: 2
• Views: 1,707
Jun 8th 2005, 02:22 AM
21. ### Need help on POW 12: The Big Knight Switch

• Replies: 2
• Views: 4,633
Jun 5th 2005, 04:35 PM
22. ### Sudoku

• Replies: 2
• Views: 1,538
Jun 3rd 2005, 11:08 AM
23. ### Geometry Puzzle

• Replies: 6
• Views: 2,263
Jun 3rd 2005, 04:04 AM
24. ### [SOLVED] help: strange characters

• Replies: 0
• Views: 1,660
May 4th 2005, 12:53 PM
25. ### [SOLVED] Golden Number linked to 666

• Replies: 2
• Views: 2,398
Apr 30th 2005, 06:38 PM
26. ### 7 14 21 28 4

• Replies: 2
• Views: 1,490
Apr 30th 2005, 03:32 PM
27. ### Sequence

• Replies: 4
• Views: 1,591
Apr 25th 2005, 01:14 PM

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