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Active 1 Bountied Hot Week Month
0 votes
2 answers
100 views

Weighing Coins -- a Different Approach

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Tim Seifert
  • 2,497
4 votes
1 answer
308 views

Largest prime number erroneously erased when finding all primes less than 1000

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Rahul Krishna
  • 51
14 votes
4 answers
893 views

What is the maximum number of people who speak only 1 language?

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Delvecchio Simone
  • 1
4 votes
2 answers
474 views

Maximizing row and column products in a 4x4 grid

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AxiomaticSystem
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30 votes
1 answer
4k views

Are you radical enough to solve this SURDOKU?

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Markus
  • 1
3 votes
2 answers
537 views

General Approach to Solving Cryptarithms

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Albert.Lang
  • 6,285
10 votes
2 answers
570 views

Fill the triangular grid using the digits 1-9 subject to the constraints provided

M Somerville's user avatar
M Somerville
  • 103
2 votes
1 answer
277 views

Destroying Democracy

RobPratt's user avatar
RobPratt
  • 14.3k
11 votes
1 answer
2k views

What's the price of banana?

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Etack Sxchange
  • 445
1 vote
1 answer
204 views

Regular polygons meeting at a point

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bobble
  • 10.3k
4 votes
1 answer
213 views

Finding the next number in this sequence: 184275, 8292375, 3108105, ...,

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Lukas Rotter
  • 11k
28 votes
1 answer
1k views

Go the Distance

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Lukas Rotter
  • 11k
2 votes
8 answers
917 views

Find a more elegant explanation for the sequence 01, 10, 13, 20, 25, 30, 37, 40

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Will.Octagon.Gibson
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15 votes
2 answers
5k views

123456789=1 problem

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dan_fulea
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