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# Math Challenge Problems Forum

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

1. ### Read this first!

• Replies: 0
• Views: 1,112
Apr 15th 2014, 04:32 PM
1. ### # Polynomials with no zero

• Replies: 0
• Views: 678
Apr 9th 2009, 09:47 AM
2. ### # Some special polynomials!

• Replies: 0
• Views: 850
Apr 9th 2009, 09:57 AM
3. ### \$7.11 word problem

• Replies: 8
• Views: 947
Aug 9th 2007, 06:50 PM
4. ### "The world's slowest runner"

• Replies: 10
• Views: 2,403
Dec 27th 2007, 12:26 AM
5. ### ( _ / _ _ ) + ( _ / _ _ ) + ( _ / _ _ ) = 1

• Replies: 1
• Views: 863
Apr 12th 2006, 01:58 PM
6. ### (r - 2)^2 + (r - 4)^2 = r^2?

• Replies: 11
• Views: 1,296
Jan 22nd 2008, 10:11 PM
7. ### 10 lucky digits

• Replies: 3
• Views: 987
Oct 22nd 2006, 08:51 PM
8. ### 101 in Darts

• Replies: 3
• Views: 2,853
May 20th 2006, 01:20 AM
9. ### 12 bastions on a wall of a fortress

• Replies: 1
• Views: 987
Mar 12th 2009, 07:47 AM
10. ### 2 questions 6 digit number and neighbour squares

• Replies: 3
• Views: 773
Mar 28th 2009, 03:16 PM
11. ### 2011 MIT Integration Bee Qualifying Test

• Replies: 38
• Views: 8,371
Feb 1st 2011, 01:59 AM
12. ### 4 4's Puzzler

• Replies: 2
• Views: 2,404
Sep 8th 2005, 12:21 PM
13. ### 4x4 Grid Puzzle

• Replies: 7
• Views: 4,289
Jun 17th 2008, 12:46 PM
14. ### 5 pirates sharing the booty

• Replies: 25
• Views: 6,952
Sep 12th 2007, 08:00 PM
15. ### 7 14 21 28 4

• Replies: 2
• Views: 1,461
Apr 30th 2005, 03:32 PM
16. ### 9th grade puzzle

• Replies: 2
• Views: 967
Feb 8th 2007, 01:57 PM
17. ### A * [(b + c)(d - e) - f(g*h) ] / j = 10

• Replies: 2
• Views: 835
Dec 9th 2006, 09:58 AM
18. ### a challenging integral (perhaps)

• Replies: 6
• Views: 1,025
Mar 12th 2010, 09:03 AM
19. ### A classic riddle

• Replies: 3
• Views: 1,682
Jan 24th 2006, 12:46 PM
20. ### A constant function!

• Replies: 1
• Views: 949
Jul 6th 2009, 05:08 PM
21. ### a couple more definite integrals

• Replies: 2
• Views: 808
Mar 31st 2011, 08:44 AM
22. ### a dice game

• Replies: 0
• Views: 732
Mar 16th 2009, 06:14 AM
23. ### A differential equation

• Replies: 1
• Views: 663
May 3rd 2009, 06:15 PM
24. ### A difficult math puzzle!! (Give it a try)

• Replies: 3
• Views: 2,312
Apr 24th 2005, 07:12 AM
25. ### A few cool ones here

• Replies: 2
• Views: 1,019
Mar 26th 2009, 05:00 PM
26. ### A Fun, Yet Tricky Problem

• Replies: 10
• Views: 1,584
Jun 23rd 2006, 09:19 PM
27. ### A functional equation

• Replies: 3
• Views: 1,033
Jul 30th 2009, 05:11 PM
28. ### A generalized infinite series

• Replies: 0
• Views: 722
Jul 15th 2009, 12:21 AM

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