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# Math Challenge Problems Forum

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

• Replies: 0
• Views: 9,167
Apr 15th 2014, 04:32 PM
1. ### Arithmetic challenge involving percents

• Replies: 2
• Views: 704
Jul 14th 2019, 05:21 AM
2. ### Which radical expression is larger?

• Replies: 13
• Views: 1,141
Apr 27th 2019, 09:25 AM
3. ### Which log expression is larger?

• Replies: 3
• Views: 886
Apr 7th 2019, 08:15 PM
4. ### Limit -- Variation on a problem

• Replies: 4
• Views: 3,388
Mar 27th 2019, 01:12 AM
5. ### An inequality

• Replies: 2
• Views: 3,430
Feb 21st 2019, 10:46 PM
6. ### Estimate the sum to the nearest whole number

• Replies: 3
• Views: 442
Feb 3rd 2019, 01:43 PM
7. ### Create an Equation

• Replies: 0
• Views: 3,642
Nov 23rd 2018, 12:10 AM
8. ### Integer solutions?

• Replies: 2
• Views: 3,975
Oct 13th 2018, 08:14 AM
9. ### Limit

• Replies: 3
• Views: 3,669
Oct 12th 2018, 12:21 PM
10. ### Solve for integer values of x. - - - (A^B = 1 form of equation)

• Replies: 1
• Views: 875
Aug 7th 2018, 02:47 PM
11. ### Show 24 divides (2*7^n + 3*5^n - 5) for all positive integers n, but ...

• Replies: 3
• Views: 872
Aug 1st 2018, 03:24 PM
12. ### Which side is larger?

• Replies: 1
• Views: 4,144
Apr 27th 2018, 11:08 PM

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14. ### A matrix maths problem

• Replies: 3
• Views: 3,877
Apr 8th 2018, 07:34 AM
15. ### What is the maximum possible product?

• Replies: 6
• Views: 989
Mar 25th 2018, 09:41 AM

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17. ### Which quantitiy is larger?

• Replies: 8
• Views: 4,059
Sep 27th 2017, 07:31 AM
18. ### Binary series prediction

• Replies: 5
• Views: 3,780
Sep 22nd 2017, 11:05 AM
19. ### Need help with the following

• Replies: 2
• Views: 3,614
Sep 1st 2017, 04:38 AM
20. ### Factor a^3 + b^3 + c^3 - 3abc

• Replies: 2
• Views: 3,725
Aug 9th 2017, 09:47 AM
21. ### square root question.

• Replies: 6
• Views: 4,274
Jun 30th 2017, 10:23 AM
22. ### Simplify this infinite convergent sum.

• Replies: 1
• Views: 678
Jun 5th 2017, 09:06 AM
23. ### Divisibility by 6

• Replies: 2
• Views: 3,850
Apr 24th 2017, 07:39 AM
24. ### logarithmic equation

• Replies: 2
• Views: 3,823
Apr 10th 2017, 02:41 PM
25. ### Limit problem (I made it up and worked it out.)

• Replies: 14
• Views: 1,074
Jan 26th 2017, 06:33 PM

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27. ### One equation, three unknowns

• Replies: 6
• Views: 1,138
Dec 24th 2016, 06:36 PM
28. ### Hard probability problem

• Replies: 3
• Views: 879
Dec 8th 2016, 02:05 PM

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