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15
Math.TechQA.Club
2026-03-25 01:14:12
78
Views
Generating rotating groups for a seminar
Published on
25 Mar 2026 - 1:14
#combinatorics
#recreational-mathematics
#puzzle
#combinatorial-designs
209
Views
Solving $\sqrt{1+\sqrt{2+\sqrt{3+\ldots}}}$
Published on
25 Mar 2026 - 9:23
#radicals
#puzzle
#nested-radicals
2.3k
Views
Problemsolving with weights and their labels
Published on
27 Mar 2026 - 21:05
#discrete-mathematics
#recreational-mathematics
#puzzle
101
Views
How to find the inverse of the method to find the nth lexicographic logical permutation
Published on
26 Mar 2026 - 23:10
#combinatorics
#permutations
#puzzle
#inverse-function
270
Views
Information theory riddle about finding a gift in one of 16 boxes
Published on
11 Apr 2026 - 0:03
#puzzle
#information-theory
45
Views
Combinatorics problem on $k$ sets and partionning a set of numbers
Published on
20 Jan 2019 - 11:11
#combinatorics
#puzzle
93
Views
Using a straightedge, a compass, and a knife to cut a triangular cake into pieces that reassemble into a rectangle
Published on
20 Jan 2019 - 15:23
#puzzle
253
Views
Extra information in a IID random variable?
Published on
02 Apr 2026 - 19:54
#probability
#random-variables
#puzzle
337
Views
What is the minimum time needed for Shubrata and Amlan to eat 252 jackfruits?
Published on
11 Apr 2026 - 7:04
#algebra-precalculus
#contest-math
#puzzle
433
Views
Five Similar Triangles from 4-5-6
Published on
27 Mar 2026 - 22:30
#geometry
#triangles
#recreational-mathematics
#puzzle
169
Views
Math puzzles suitable for printing on a mug
Published on
26 Mar 2026 - 2:53
#recreational-mathematics
#education
#puzzle
559
Views
3 person Knights and Knaves Problem
Published on
23 Jan 2019 - 21:55
#logic
#puzzle
89
Views
How many lockers are open?
Published on
11 Apr 2026 - 4:57
#puzzle
420
Views
Flip $n$ coins on a circle. Assume a coin has been chosen from among those whose neighbors are both heads. What's the probability it is heads?
Published on
25 Mar 2026 - 4:43
#probability
#combinatorics
#puzzle
#conditional-probability
#paradoxes
64
Views
Curious habit, will I be late for work in n-days ? [Probability]
Published on
27 Mar 2026 - 16:47
#probability
#puzzle
#conditional-probability
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