Question

Find the probability that the card number 18 is the second jack that you deal.

score 451 · Answer 1 · 2026-04-16 08:38:20

451

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Find the probability that the card number 18 is the second jack that you deal.

Published on 16 Apr 2026 - 8:38

score 257 · Answer 2 · 2026-04-12 03:36:58

257

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coloring combinatorics problem

Published on 12 Apr 2026 - 3:36

score 376 · Answer 3 · 2026-04-16 08:45:43

376

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Combinatorics and Graph Theory

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score 1.3k · Answer 4 · 2026-04-16 13:46:29

1.3k

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How many length-5 ternary strings are there without 4 consecutive 0s, 1s or 2s? For example, 20000 and 11112 are excluded.

Published on 16 Apr 2026 - 13:46

score 87 · Answer 5 · 2026-04-16 14:09:46

87

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Erdos Selfridge and some intuition regarding $f(x^2) - f(x)^2 = g(x^2) - g(x)^2$ and

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score 71 · Answer 6 · 2026-05-10 15:51:55

71

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score 72 · Answer 7 · 2026-04-10 13:43:04

72

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score 30 · Answer 8 · 2026-04-13 17:20:02

30

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score 539 · Answer 9 · 2026-04-17 12:45:49

539

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Published on 17 Apr 2026 - 12:45

score 110 · Answer 10 · 2026-05-10 14:46:56

110

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Simplify a weighted average with enumerations as weights

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score 2.2k · Answer 11 · 2026-05-11 04:22:15

2.2k

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How many permutations of $[n]$ are cycles of length $n$?

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score 1.8k · Answer 12 · 2026-04-13 23:44:46

Maximum number of weeks that can elapse without having the same four individuals who have served together with the same committee chair

score 68 · Answer 13 · 2026-05-10 19:03:57

68

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score 27 · Answer 14 · 2026-04-13 13:00:51

27

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score 34 · Answer 15 · 2026-04-14 00:41:28

34

Views

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Published on 14 Apr 2026 - 0:41

List Question

Find the probability that the card number 18 is the second jack that you deal.

coloring combinatorics problem

Combinatorics and Graph Theory

How many length-5 ternary strings are there without 4 consecutive 0s, 1s or 2s? For example, 20000 and 11112 are excluded.

Erdos Selfridge and some intuition regarding $f(x^2) - f(x)^2 = g(x^2) - g(x)^2$ and

Poker combinatorics: chances opponent has a full house given that you have 2 pairs

Combinatorics Counting Problem (Team Selection)

triplets of people who never met before

How many words from $5$ different letters can be formed out of $10$ consonants and $5$ vowels if...

Simplify a weighted average with enumerations as weights

How many permutations of $[n]$ are cycles of length $n$?

Maximum number of weeks that can elapse without having the same four individuals who have served together with the same committee chair

Manufacturing desired planks from an existing pile of planks

Assignment problem based on agent similarities/sympathy

Combinatorics question about picking exactly a objects out of b objects given n picks

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