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Math Riddles
61 topics • Page 1 of 2 • 1, 2
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- What would be the 560th number?
by Guest » Thu Dec 31, 2020 11:00 am - 1 Replies
- 87 Views
- Last post by nathi123
Sat Jan 02, 2021 12:49 pm
- What would be the 560th number?
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- Another weighing problem
by marius.stephant » Wed Dec 30, 2020 7:23 pm - 0 Replies
- 65 Views
- Last post by marius.stephant
Wed Dec 30, 2020 7:23 pm
- Another weighing problem
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- Can you solve this "9 balls problem"?
by Guest » Thu Dec 17, 2020 2:03 pm - 0 Replies
- 45 Views
- Last post by Guest
Thu Dec 17, 2020 2:03 pm
- Can you solve this "9 balls problem"?
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- See how your brain tricks you
by Guest » Thu Dec 17, 2020 1:37 pm - 0 Replies
- 26 Views
- Last post by Guest
Thu Dec 17, 2020 1:37 pm
- See how your brain tricks you
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- Explore Fibonacci and Prime numbers
by Guest » Thu Nov 05, 2020 7:32 pm - 1 Replies
- 94 Views
- Last post by Guest
Thu Nov 05, 2020 7:34 pm
- Explore Fibonacci and Prime numbers
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- A new math riddle
by Guest » Thu Aug 13, 2020 2:17 pm - 0 Replies
- 159 Views
- Last post by Guest
Thu Aug 13, 2020 2:17 pm
- A new math riddle
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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
- 169 Views
- Last post by Solaris
Thu Jul 02, 2020 1:49 pm
- Game theory: What is the maximum sum that Mary can secure?
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- Ants walk
by Guest » Wed Dec 28, 2016 1:47 pm - 8 Replies
- 2183 Views
- Last post by Guest
Thu Jun 25, 2020 6:28 pm
- Ants walk
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- Symbols used in rounding numbers questions
by Guest » Mon Mar 30, 2020 4:17 pm - 0 Replies
- 278 Views
- Last post by Guest
Mon Mar 30, 2020 4:17 pm
- Symbols used in rounding numbers questions
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- 1 to 15 matrix arrangement (trivia)
by Guest » Thu Jul 25, 2019 3:18 am - 0 Replies
- 398 Views
- Last post by Guest
Thu Jul 25, 2019 3:18 am
- 1 to 15 matrix arrangement (trivia)
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- Riddle for you - business math
by Guest » Fri Dec 28, 2018 12:35 am - 0 Replies
- 588 Views
- Last post by Guest
Fri Dec 28, 2018 12:35 am
- Riddle for you - business math
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- 1=-1
by Math Tutor » Wed Jul 25, 2018 8:41 am - 0 Replies
- 803 Views
- Last post by Math Tutor
Wed Jul 25, 2018 8:41 am
- 1=-1
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- 2 = 1 ?
by Math Tutor » Tue Jul 24, 2018 1:39 am
- 0 Replies
- 577 Views
- Last post by Math Tutor
Tue Jul 24, 2018 1:39 am
- 2 = 1 ?
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- Calculus with letters
by Guest » Sat Jul 14, 2018 10:11 am
- 0 Replies
- 634 Views
- Last post by Guest
Sat Jul 14, 2018 10:11 am
- Calculus with letters
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- 8 + 5 = ?
by Guest » Wed Feb 07, 2018 12:35 am
- 1 Replies
- 1036 Views
- Last post by Guest
Sun Feb 11, 2018 6:49 am
- 8 + 5 = ?
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- Alternating balls
by harry.petrone » Wed Oct 25, 2017 7:35 am - 0 Replies
- 692 Views
- Last post by harry.petrone
Wed Oct 25, 2017 7:35 am
- Alternating balls
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- Lightbulbs and switches
by Guest » Sun Oct 01, 2017 4:22 am - 3 Replies
- 875 Views
- Last post by Guest
Sat Oct 14, 2017 7:32 am
- Lightbulbs and switches
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- Who is the most stupid here?
by Math Tutor » Mon Sep 04, 2017 7:58 am
- 1 Replies
- 2842 Views
- Last post by Alex.vollenga
Tue Oct 10, 2017 5:18 am
- Who is the most stupid here?
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- Birthday cake sharing
by Alex.vollenga » Tue Oct 10, 2017 4:47 am - 0 Replies
- 678 Views
- Last post by Alex.vollenga
Tue Oct 10, 2017 4:47 am
- Birthday cake sharing
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- Clock
by Alex.vollenga » Wed Jul 12, 2017 6:50 am - 0 Replies
- 830 Views
- Last post by Alex.vollenga
Wed Jul 12, 2017 6:50 am
- Clock
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- Archipelago of Wonderland
by harry.petrone » Mon May 01, 2017 4:08 pm - 3 Replies
- 1007 Views
- Last post by Guest
Mon May 08, 2017 8:16 am
- Archipelago of Wonderland
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- The 3 Seconds Math Challenge.
by andreydimitro » Sun May 07, 2017 1:15 pm - 0 Replies
- 856 Views
- Last post by andreydimitro
Sun May 07, 2017 1:15 pm
- The 3 Seconds Math Challenge.
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- Letters on a board
by Guest » Sun Mar 12, 2017 9:25 am - 3 Replies
- 921 Views
- Last post by Guest
Sun Mar 12, 2017 4:01 pm
- Letters on a board
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- Ant on a board
by jason » Mon Mar 06, 2017 5:55 am - 2 Replies
- 923 Views
- Last post by jason
Mon Mar 06, 2017 7:02 am
- Ant on a board
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- Multi-national firm
by Guest » Mon Jul 11, 2016 8:30 am - 2 Replies
- 883 Views
- Last post by Guest
Mon Feb 06, 2017 10:05 am
- Multi-national firm
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- Locker doors
by Guest » Thu Feb 02, 2017 12:14 pm - 3 Replies
- 897 Views
- Last post by Guest
Sat Feb 04, 2017 4:09 pm
- Locker doors
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- Puzzles for Kids
by Guest » Thu Jan 26, 2017 3:43 pm - 4 Replies
- 1916 Views
- Last post by Guest
Mon Jan 30, 2017 11:57 pm
- Puzzles for Kids
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- Day-off from work
by Guest » Mon Sep 19, 2016 3:46 am - 1 Replies
- 799 Views
- Last post by jason
Sat Jan 14, 2017 10:01 am
- Day-off from work
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- Weighing problem
by jason » Wed Jan 11, 2017 10:23 am - 4 Replies
- 1163 Views
- Last post by jason
Sat Jan 14, 2017 9:57 am
- Weighing problem
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- Where is the mistake?
by Math Tutor » Wed Nov 16, 2011 8:54 am - 4 Replies
- 1769 Views
- Last post by leesajohnson
Mon Oct 03, 2016 5:47 am
- Where is the mistake?
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- Chocolate store
by Guest » Thu Jul 07, 2016 12:23 pm - 9 Replies
- 1588 Views
- Last post by Guest
Mon Jul 11, 2016 7:28 am
- Chocolate store
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- Which wheel will be hit 1 or 2?
by Math Tutor » Thu Oct 17, 2013 12:23 pm
- 2 Replies
- 1508 Views
- Last post by leesajohnson
Mon Apr 11, 2016 5:48 am
- Which wheel will be hit 1 or 2?
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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
- 1393 Views
- Last post by Guest
Wed Mar 23, 2016 9:05 pm
- In a group, 20 children like milk, 26 like fruit, 10 like
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- Guess Number
by Guest » Mon Nov 30, 2015 10:57 pm
- 2 Replies
- 1056 Views
- Last post by leesajohnson
Tue Mar 22, 2016 4:55 am
- Guess Number
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- Where is the missing $1?
by Guest » Thu Feb 04, 2016 3:00 am
- 5 Replies
- 1323 Views
- Last post by Guest
Fri Mar 11, 2016 10:53 pm
- Where is the missing $1?
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- 90% Fail
by Math Tutor » Tue Jun 09, 2015 6:32 am
- 6 Replies
- 1821 Views
- Last post by leesajohnson
Sat Jan 16, 2016 8:45 am
- 90% Fail
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- A simple magic number 3 trick
by Guest » Mon Feb 02, 2015 4:43 am - 0 Replies
- 956 Views
- Last post by Guest
Mon Feb 02, 2015 4:43 am
- A simple magic number 3 trick
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- A really good logical problem
by kate » Mon Jun 30, 2008 11:20 am - 4 Replies
- 2566 Views
- Last post by Guest
Wed Sep 24, 2014 2:41 am
- A really good logical problem
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- Quantitative Reasoning
by Chikis » Fri Feb 28, 2014 5:36 pm - 0 Replies
- 782 Views
- Last post by Chikis
Fri Feb 28, 2014 5:36 pm
- Quantitative Reasoning
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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
- 838 Views
- Last post by Math Tutor
Wed Oct 23, 2013 2:45 pm
- Adding 2 operation sign, where 1 is addition OR subtraction
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- Find the next corresponding number
by Guest » Thu May 23, 2013 7:33 am - 0 Replies
- 1995 Views
- Last post by Guest
Thu May 23, 2013 7:33 am
- Find the next corresponding number
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- Number series
by Guest » Tue Apr 09, 2013 3:18 pm - 0 Replies
- 1338 Views
- Last post by Guest
Tue Apr 09, 2013 3:18 pm
- Number series
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- Solve this little mathematical game
by jupiter_one » Mon Apr 30, 2012 12:00 pm
- 0 Replies
- 1783 Views
- Last post by jupiter_one
Mon Apr 30, 2012 12:00 pm
- Solve this little mathematical game
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- Replace letters with numbers ABCD*A=EEEED
by ln » Thu Apr 28, 2011 4:19 pm - 7 Replies
- 3767 Views
- Last post by Guest
Thu May 05, 2011 12:34 pm
- Replace letters with numbers ABCD*A=EEEED
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- How many reflections?
by kate » Mon Jun 30, 2008 11:59 am - 2 Replies
- 1915 Views
- Last post by margaretmoore
Fri Mar 11, 2011 8:16 am
- How many reflections?
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- IQ Test Question
by Math Tutor » Fri Aug 13, 2010 2:17 am - 3 Replies
- 1583 Views
- Last post by umair
Tue Dec 14, 2010 3:57 pm
- IQ Test Question
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