Question

Strategy for board game

score 1.3k · Answer 1 · 2026-04-09 04:50:57

1.3k

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Strategy for board game

Published on 09 Apr 2026 - 4:50

score 659 · Answer 2 · 2026-04-14 11:51:40

659

Views

Algorithm for enumerating grid points by distance from given point

Published on 14 Apr 2026 - 11:51

score 73 · Answer 3 · 2026-04-18 16:19:03

In a clairvoyance test, a stack of 25 cards with 5 types is used. You take 3 cards at once. In how many ways can you not take cards of type 1 and 2?

score 180 · Answer 4 · 2026-04-14 04:28:36

180

Views

Probability of at least two being grey

Published on 14 Apr 2026 - 4:28

score 213 · Answer 5 · 2026-04-27 01:19:59

213

Views

If every $H$-free $2$-connected graph is Hamiltonian then $H$ is $P_3$

Published on 27 Apr 2026 - 1:19

score 1000 · Answer 6 · 2026-04-29 12:47:10

1000

Views

Given positive integers $m,n$, does the Ramsey number $R(m,n)$ always exist?

Published on 29 Apr 2026 - 12:47

score 67 · Answer 7 · 2026-04-15 20:54:40

67

Views

How many reduced fractions a/b such that ab=20! and 0 < a/b < 1?

Published on 15 Apr 2026 - 20:54

score 554 · Answer 8 · 2026-04-11 14:20:46

554

Views

How to find the expected number of moves?

Published on 11 Apr 2026 - 14:20

score 35 · Answer 9 · 2026-04-14 11:34:58

35

Views

How to count the number of times a formation in a basketball game is used

Published on 14 Apr 2026 - 11:34

score 895 · Answer 10 · 2026-04-14 08:35:03

895

Views

Number of ways to arrange $A,A,A,B,C,C$ such that no $2$ consecutive letters are the same

Published on 14 Apr 2026 - 8:35

score 566 · Answer 11 · 2026-04-15 20:41:23

566

Views

Counting problem - fault in my reasoning.

Published on 15 Apr 2026 - 20:41

score 64 · Answer 12 · 2026-04-15 10:38:16

64

Views

How many even numbers over $400$ can be made out of the integer set $2$, $4$, and $7$ if each integer is used only once?

Published on 15 Apr 2026 - 10:38

score 21 · Answer 13 · 2026-04-16 14:32:20

21

Views

Bijection between sets $A_{m,n}, B_{m,n}, C_{m,n}$

Published on 16 Apr 2026 - 14:32

score 6.5k · Answer 14 · 2026-04-14 21:24:27

6.5k

Views

Number of ordered pairs of subsets

Published on 14 Apr 2026 - 21:24

score 568 · Answer 15 · 2026-04-16 00:21:05

568

Views

$a+b+c+d+e+f=14$ , where $a,b,c,d,e$ and $f$ are whole numbers $\le 4$

Published on 16 Apr 2026 - 0:21

List Question

Strategy for board game

Algorithm for enumerating grid points by distance from given point

In a clairvoyance test, a stack of 25 cards with 5 types is used. You take 3 cards at once. In how many ways can you not take cards of type 1 and 2?

Probability of at least two being grey

If every $H$-free $2$-connected graph is Hamiltonian then $H$ is $P_3$

Given positive integers $m,n$, does the Ramsey number $R(m,n)$ always exist?

How many reduced fractions a/b such that ab=20! and 0 < a/b < 1?

How to find the expected number of moves?

How to count the number of times a formation in a basketball game is used

Number of ways to arrange $A,A,A,B,C,C$ such that no $2$ consecutive letters are the same

Counting problem - fault in my reasoning.

How many even numbers over $400$ can be made out of the integer set $2$, $4$, and $7$ if each integer is used only once?

Bijection between sets $A_{m,n}, B_{m,n}, C_{m,n}$

Number of ordered pairs of subsets

$a+b+c+d+e+f=14$ , where $a,b,c,d,e$ and $f$ are whole numbers $\le 4$

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