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15
Math.TechQA.Club
2026-04-10 07:29:47
1.2k
Views
Minimum Distance to Road
Published on
10 Apr 2026 - 7:29
#optimization
#puzzle
5.3k
Views
Ant crawling between opposite corners on a cubical box
Published on
25 Mar 2026 - 15:59
#geometry
#puzzle
#solid-geometry
240
Views
A knights and knaves problem with one truth-saying knave; what is the minimum number of questions needed to find this atypical knave?
Published on
16 Apr 2018 - 17:07
#puzzle
514
Views
Counting time with a watch that pauses for 15 minutes every hour
Published on
18 Apr 2018 - 19:46
#algebra-precalculus
#puzzle
2.9k
Views
How many ways to colour a $4 \times 4$ grid using four colours subject to three constraints
Published on
09 Apr 2026 - 2:32
#combinatorics
#puzzle
#coloring
#latin-square
251
Views
GEB: Is MUUI a MIU-string?
Published on
27 Mar 2026 - 10:56
#logic
#recreational-mathematics
#puzzle
#formal-languages
1.9k
Views
Hat and River Problem
Published on
10 Apr 2026 - 6:44
#physics
#recreational-mathematics
#puzzle
#word-problem
90
Views
Number matching lottery winning probability
Published on
26 Mar 2026 - 4:50
#probability
#combinatorics
#recreational-mathematics
#generating-functions
#puzzle
3.6k
Views
Given a pair of integers, double one and increment the other until equality
Published on
26 Mar 2026 - 3:11
#logic
#contest-math
#puzzle
1.6k
Views
100 Prison Problem- Why does this solution not work?
Published on
10 Apr 2026 - 3:32
#combinatorics
#graph-theory
#puzzle
1.2k
Views
How to model and solve the variant of Monty Hall problem in which the host opens a door randomly?
Published on
05 Apr 2026 - 1:10
#probability
#puzzle
#bayes-theorem
#monty-hall
73
Views
Riddle with 3 vessels that are empty in conditions
Published on
09 May 2018 - 23:22
#puzzle
428
Views
Sum of digits of numbers from $1$ to $10^n$
Published on
10 May 2018 - 12:53
#elementary-number-theory
#puzzle
1.3k
Views
How to cross a river bend with two too-short boards
Published on
15 May 2018 - 15:30
#geometry
#puzzle
2k
Views
How can I calculate the number of permutations of an irregular rubik's cube?
Published on
10 Apr 2026 - 3:45
#combinatorics
#puzzle
#rubiks-cube
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