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- See how your brain tricks you
by Guest » Thu Dec 17, 2020 1:37 pm
- 3 Replies
- 134 Views
- Last post by Guest
Wed Apr 14, 2021 11:38 am
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- What would be the 560th number?
by Guest » Thu Dec 31, 2020 11:00 am
- 1 Replies
- 187 Views
- Last post by nathi123
Sat Jan 02, 2021 12:49 pm
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- Another weighing problem
by marius.stephant » Wed Dec 30, 2020 7:23 pm
- 0 Replies
- 93 Views
- Last post by marius.stephant
Wed Dec 30, 2020 7:23 pm
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- Can you solve this "9 balls problem"?
by Guest » Thu Dec 17, 2020 2:03 pm
- 0 Replies
- 68 Views
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Thu Dec 17, 2020 2:03 pm
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- Explore Fibonacci and Prime numbers
by Guest » Thu Nov 05, 2020 7:32 pm
- 1 Replies
- 114 Views
- Last post by Guest
Thu Nov 05, 2020 7:34 pm
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- A new math riddle
by Guest » Thu Aug 13, 2020 2:17 pm
- 0 Replies
- 184 Views
- Last post by Guest
Thu Aug 13, 2020 2:17 pm
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- Game theory: What is the maximum sum that Mary can secure?
by Solaris » Thu Jul 02, 2020 1:49 pm
- 0 Replies
- 199 Views
- Last post by Solaris
Thu Jul 02, 2020 1:49 pm
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- Ants walk
by Guest » Wed Dec 28, 2016 1:47 pm
- 8 Replies
- 2319 Views
- Last post by Guest
Thu Jun 25, 2020 6:28 pm
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- Symbols used in rounding numbers questions
by Guest » Mon Mar 30, 2020 4:17 pm
- 0 Replies
- 308 Views
- Last post by Guest
Mon Mar 30, 2020 4:17 pm
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- 1 to 15 matrix arrangement (trivia)
by Guest » Thu Jul 25, 2019 3:18 am
- 0 Replies
- 420 Views
- Last post by Guest
Thu Jul 25, 2019 3:18 am
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- Riddle for you - business math
by Guest » Fri Dec 28, 2018 12:35 am
- 0 Replies
- 614 Views
- Last post by Guest
Fri Dec 28, 2018 12:35 am
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- 1=-1
by Math Tutor » Wed Jul 25, 2018 8:41 am
- 0 Replies
- 839 Views
- Last post by Math Tutor
Wed Jul 25, 2018 8:41 am
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- 2 = 1 ?
by Math Tutor » Tue Jul 24, 2018 1:39 am
- 0 Replies
- 619 Views
- Last post by Math Tutor
Tue Jul 24, 2018 1:39 am
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- Calculus with letters
by Guest » Sat Jul 14, 2018 10:11 am
- 0 Replies
- 671 Views
- Last post by Guest
Sat Jul 14, 2018 10:11 am
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- 8 + 5 = ?
by Guest » Wed Feb 07, 2018 12:35 am
- 1 Replies
- 1062 Views
- Last post by Guest
Sun Feb 11, 2018 6:49 am
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- Alternating balls
by harry.petrone » Wed Oct 25, 2017 7:35 am
- 0 Replies
- 717 Views
- Last post by harry.petrone
Wed Oct 25, 2017 7:35 am
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- Lightbulbs and switches
by Guest » Sun Oct 01, 2017 4:22 am
- 3 Replies
- 904 Views
- Last post by Guest
Sat Oct 14, 2017 7:32 am
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- Who is the most stupid here?
by Math Tutor » Mon Sep 04, 2017 7:58 am
- 1 Replies
- 2902 Views
- Last post by Alex.vollenga
Tue Oct 10, 2017 5:18 am
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- Birthday cake sharing
by Alex.vollenga » Tue Oct 10, 2017 4:47 am
- 0 Replies
- 703 Views
- Last post by Alex.vollenga
Tue Oct 10, 2017 4:47 am
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- Clock
by Alex.vollenga » Wed Jul 12, 2017 6:50 am
- 0 Replies
- 856 Views
- Last post by Alex.vollenga
Wed Jul 12, 2017 6:50 am
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- Archipelago of Wonderland
by harry.petrone » Mon May 01, 2017 4:08 pm
- 3 Replies
- 1033 Views
- Last post by Guest
Mon May 08, 2017 8:16 am
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- The 3 Seconds Math Challenge.
by andreydimitro » Sun May 07, 2017 1:15 pm
- 0 Replies
- 883 Views
- Last post by andreydimitro
Sun May 07, 2017 1:15 pm
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- Letters on a board
by Guest » Sun Mar 12, 2017 9:25 am
- 3 Replies
- 956 Views
- Last post by Guest
Sun Mar 12, 2017 4:01 pm
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- Ant on a board
by jason » Mon Mar 06, 2017 5:55 am
- 2 Replies
- 949 Views
- Last post by jason
Mon Mar 06, 2017 7:02 am
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- Multi-national firm
by Guest » Mon Jul 11, 2016 8:30 am
- 2 Replies
- 907 Views
- Last post by Guest
Mon Feb 06, 2017 10:05 am
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- Locker doors
by Guest » Thu Feb 02, 2017 12:14 pm
- 3 Replies
- 924 Views
- Last post by Guest
Sat Feb 04, 2017 4:09 pm
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- Puzzles for Kids
by Guest » Thu Jan 26, 2017 3:43 pm
- 4 Replies
- 1956 Views
- Last post by Guest
Mon Jan 30, 2017 11:57 pm
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- Stamps
by jason » Mon Jan 16, 2017 4:13 pm
- 3 Replies
- 879 Views
- Last post by Guest
Sat Jan 21, 2017 2:46 pm
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- Day-off from work
by Guest » Mon Sep 19, 2016 3:46 am
- 1 Replies
- 825 Views
- Last post by jason
Sat Jan 14, 2017 10:01 am
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- Weighing problem
by jason » Wed Jan 11, 2017 10:23 am
- 4 Replies
- 1189 Views
- Last post by jason
Sat Jan 14, 2017 9:57 am
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- Where is the mistake?
by Math Tutor » Wed Nov 16, 2011 8:54 am
- 4 Replies
- 1798 Views
- Last post by leesajohnson
Mon Oct 03, 2016 5:47 am
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- Chocolate store
by Guest » Thu Jul 07, 2016 12:23 pm
- 9 Replies
- 1632 Views
- Last post by Guest
Mon Jul 11, 2016 7:28 am
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- Which wheel will be hit 1 or 2?
by Math Tutor » Thu Oct 17, 2013 12:23 pm
- 2 Replies
- 1541 Views
- Last post by leesajohnson
Mon Apr 11, 2016 5:48 am
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- In a group, 20 children like milk, 26 like fruit, 10 like
by Guest » Thu Mar 20, 2014 10:16 am
- 6 Replies
- 1423 Views
- Last post by Guest
Wed Mar 23, 2016 9:05 pm
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- Guess Number
by Guest » Mon Nov 30, 2015 10:57 pm
- 2 Replies
- 1091 Views
- Last post by leesajohnson
Tue Mar 22, 2016 4:55 am
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- Where is the missing $1?
by Guest » Thu Feb 04, 2016 3:00 am
- 5 Replies
- 1353 Views
- Last post by Guest
Fri Mar 11, 2016 10:53 pm
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- 90% Fail
by Math Tutor » Tue Jun 09, 2015 6:32 am
- 6 Replies
- 1861 Views
- Last post by leesajohnson
Sat Jan 16, 2016 8:45 am
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- A simple magic number 3 trick
by Guest » Mon Feb 02, 2015 4:43 am
- 0 Replies
- 978 Views
- Last post by Guest
Mon Feb 02, 2015 4:43 am
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- A really good logical problem
by kate » Mon Jun 30, 2008 11:20 am
- 4 Replies
- 2597 Views
- Last post by Guest
Wed Sep 24, 2014 2:41 am
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- Quantitative Reasoning
by Chikis » Fri Feb 28, 2014 5:36 pm
- 0 Replies
- 808 Views
- Last post by Chikis
Fri Feb 28, 2014 5:36 pm
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- Adding 2 operation sign, where 1 is addition OR subtraction
by Math Tutor » Wed Oct 23, 2013 2:45 pm
- 0 Replies
- 863 Views
- Last post by Math Tutor
Wed Oct 23, 2013 2:45 pm
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- Find the next corresponding number
by Guest » Thu May 23, 2013 7:33 am
- 0 Replies
- 2028 Views
- Last post by Guest
Thu May 23, 2013 7:33 am
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- Number series
by Guest » Tue Apr 09, 2013 3:18 pm
- 0 Replies
- 1368 Views
- Last post by Guest
Tue Apr 09, 2013 3:18 pm
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- Solve this little mathematical game
by jupiter_one » Mon Apr 30, 2012 12:00 pm
- 0 Replies
- 1805 Views
- Last post by jupiter_one
Mon Apr 30, 2012 12:00 pm
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- Spoons
by kate » Mon Jun 30, 2008 3:06 pm
- 2 Replies
- 1595 Views
- Last post by Guest
Wed Jun 22, 2011 2:15 pm
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- Replace letters with numbers ABCD*A=EEEED
by ln » Thu Apr 28, 2011 4:19 pm
- 7 Replies
- 3818 Views
- Last post by Guest
Thu May 05, 2011 12:34 pm
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- How many reflections?
by kate » Mon Jun 30, 2008 11:59 am
- 2 Replies
- 1945 Views
- Last post by margaretmoore
Fri Mar 11, 2011 8:16 am
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- IQ Test Question
by Math Tutor » Fri Aug 13, 2010 2:17 am
- 3 Replies
- 1609 Views
- Last post by umair
Tue Dec 14, 2010 3:57 pm
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- =1776
by sgreenfi » Fri Jul 24, 2009 10:06 am
- 1 Replies
- 2182 Views
- Last post by martosss
Wed Aug 26, 2009 7:54 am
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- Need help with a riddle
by jeans » Thu Sep 04, 2008 10:38 pm
- 1 Replies
- 2004 Views
- Last post by parvez
Tue Jun 02, 2009 4:24 am
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