Question

Probability of Specific Die Roll with Indeterminate Number of Rolls

score 22 · Answer 1 · 2021-12-10 22:20:01

22

Views

Probability of Specific Die Roll with Indeterminate Number of Rolls

Published on 10 Dec 2021 - 22:20

score 68 · Answer 2 · 2026-04-05 14:04:34

68

Views

Principle of Inclusion-Exclusion with Substitution Ciphers

Published on 05 Apr 2026 - 14:04

score 105 · Answer 3 · 2026-03-31 10:06:08

105

Views

Alternative way to deduce combinatorial identity?

Published on 31 Mar 2026 - 10:06

score 121 · Answer 4 · 2021-12-29 12:57:13

121

Views

Number of colorings using inclusion–exclusion principle

Published on 29 Dec 2021 - 12:57

score 560 · Answer 5 · 2026-03-28 10:55:36

560

Views

Ways to divide $14$ numbered balls into $3$ non-empty groups

Published on 28 Mar 2026 - 10:55

score 63 · Answer 6 · 2022-01-13 12:29:13

63

Views

How many solutions are there to $x_1+x_2+x_3+x_4=10$ such that for all $0\le x_i\le3$?

Published on 13 Jan 2022 - 12:29

score 175 · Answer 7 · 2026-03-28 03:02:34

175

Views

Revisit : $20\choose 5$ subsets without 3,4 or 5 consecutive numbers

Published on 28 Mar 2026 - 3:02

score 85 · Answer 8 · 2022-01-21 09:30:46

85

Views

Distribute $r$ indistinguishable balls randomly into $n$ cells. The probability that exactly $m$ cells will contain exactly $k$ balls each is?

Published on 21 Jan 2022 - 9:30

score 114 · Answer 9 · 2026-02-24 19:16:15

114

Views

Permutations: play a song 3 times before all songs have played at least once.

Published on 24 Feb 2026 - 19:16

score 60 · Answer 10 · 2026-03-30 13:39:25

60

Views

Probability of the first card of a standard deck being a king or a heart.

Published on 30 Mar 2026 - 13:39

score 53 · Answer 11 · 2022-01-31 22:43:28

53

Views

Inclusion–exclusion principle problem - distributing sweets

Published on 31 Jan 2022 - 22:43

score 230 · Answer 12 · 2022-02-07 09:46:43

230

Views

Finding number of nonnegative solutions for the equation $x_1+ x_2+ x_3+ x_4+ x_5=9$ when $x_1 \geq 1, x_5 \leq 5$

Published on 07 Feb 2022 - 9:46

score 262 · Answer 13 · 2026-04-03 18:32:22

262

Views

Why inclusion-exclusion principle fails for vector subspaces

Published on 03 Apr 2026 - 18:32

score 199 · Answer 14 · 2026-03-28 09:14:16

199

Views

To find the number of ways to put $14$ identical balls into $4$ bins with the condition that no bin can hold more than $7$ balls.

Published on 28 Mar 2026 - 9:14

score 57 · Answer 15 · 2022-02-09 17:06:43

57

Views

How many 12-letter words are there with no block $5 \times a$, $4 \times b$ and $3 \times c$

Published on 09 Feb 2022 - 17:06

List Question

Probability of Specific Die Roll with Indeterminate Number of Rolls

Principle of Inclusion-Exclusion with Substitution Ciphers

Alternative way to deduce combinatorial identity?

Number of colorings using inclusion–exclusion principle

Ways to divide $14$ numbered balls into $3$ non-empty groups

How many solutions are there to $x_1+x_2+x_3+x_4=10$ such that for all $0\le x_i\le3$?

Revisit : $20\choose 5$ subsets without 3,4 or 5 consecutive numbers

Distribute $r$ indistinguishable balls randomly into $n$ cells. The probability that exactly $m$ cells will contain exactly $k$ balls each is?

Permutations: play a song 3 times before all songs have played at least once.

Probability of the first card of a standard deck being a king or a heart.

Inclusion–exclusion principle problem - distributing sweets

Finding number of nonnegative solutions for the equation $x_1+ x_2+ x_3+ x_4+ x_5=9$ when $x_1 \geq 1, x_5 \leq 5$

Why inclusion-exclusion principle fails for vector subspaces

To find the number of ways to put $14$ identical balls into $4$ bins with the condition that no bin can hold more than $7$ balls.

How many 12-letter words are there with no block $5 \times a$, $4 \times b$ and $3 \times c$

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