Question

Intercepting a missile with unknown traveling direction

score 188 · Answer 1 · 2026-04-14 07:50:22

188

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Intercepting a missile with unknown traveling direction

Published on 14 Apr 2026 - 7:50

score 440 · Answer 2 · 2026-04-14 15:54:49

440

Views

Motivating examples of puzzles that can only be solved by using deep mathematics?

Published on 14 Apr 2026 - 15:54

score 70 · Answer 3 · 2026-04-11 08:57:43

70

Views

Minimal representation of numbers which are the difference between two squares

Published on 11 Apr 2026 - 8:57

score 74 · Answer 4 · 2026-04-12 19:02:07

74

Views

Question on reasoning . . .

Published on 12 Apr 2026 - 19:02

score 1.8k · Answer 5 · 2026-04-14 14:47:46

1.8k

Views

puzzle, solve by equations

Published on 14 Apr 2026 - 14:47

score 70 · Answer 6 · 2026-04-15 20:35:00

70

Views

What is the only number $N$ such that, between them, $N$ and $N^6$ contain every digit from $1$ to $9$ twice?

Published on 15 Apr 2026 - 20:35

score 693 · Answer 7 · 2026-04-15 06:55:49

693

Views

Make equilateral triangle from two hexagons

Published on 15 Apr 2026 - 6:55

score 463 · Answer 8 · 2026-04-14 02:37:15

463

Views

Finding the total number of games played using induction

Published on 14 Apr 2026 - 2:37

score 191 · Answer 9 · 2026-04-15 01:44:42

191

Views

Cover $ 7 \times 7$ chessboard with $\sqrt 2$ diameter coins

Published on 15 Apr 2026 - 1:44

score 554 · Answer 10 · 2026-04-12 16:58:00

554

Views

Villager Logic Puzzle Alternative Answer

Published on 12 Apr 2026 - 16:58

score 134 · Answer 11 · 2026-04-15 14:45:51

134

Views

If $f(0,0) = f(\infty,0)=f(0,\infty) = 1$, but $f(\infty,\infty) = 0$, then what is $f(a,b)$?

Published on 15 Apr 2026 - 14:45

score 162 · Answer 12 · 2026-04-11 18:47:29

162

Views

A chessboard problem?

Published on 11 Apr 2026 - 18:47

score 3.2k · Answer 13 · 2026-04-13 11:59:38

3.2k

Views

What is the expected number of apples that will be left in the basket?

Published on 13 Apr 2026 - 11:59

score 1.1k · Answer 14 · 2026-04-16 00:04:54

1.1k

Views

How many hours had each walked before passing each other?

Published on 16 Apr 2026 - 0:04

score 228 · Answer 15 · 2026-04-16 23:38:13

228

Views

Frog-riddle: What if you can only lick one frog?

Published on 16 Apr 2026 - 23:38

List Question

Intercepting a missile with unknown traveling direction

Motivating examples of puzzles that can only be solved by using deep mathematics?

Minimal representation of numbers which are the difference between two squares

Question on reasoning . . .

puzzle, solve by equations

What is the only number $N$ such that, between them, $N$ and $N^6$ contain every digit from $1$ to $9$ twice?

Make equilateral triangle from two hexagons

Finding the total number of games played using induction

Cover $ 7 \times 7$ chessboard with $\sqrt 2$ diameter coins

Villager Logic Puzzle Alternative Answer

If $f(0,0) = f(\infty,0)=f(0,\infty) = 1$, but $f(\infty,\infty) = 0$, then what is $f(a,b)$?

A chessboard problem?

What is the expected number of apples that will be left in the basket?

How many hours had each walked before passing each other?

Frog-riddle: What if you can only lick one frog?

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