List questions from inclusion-exclusion

Published on 25 Mar 2026 - 16:01

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Probability that $k$ out of $m$ bins of limited capacity are full after throwing $n$ balls

Published on 26 Mar 2026 - 6:31

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In how many ways can four men and four women be seated at a round table if no two men are to be in adjacent seats?

Published on 23 Nov 2019 - 19:05

113

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Combinatorial proof using P.I.E

Published on 26 Mar 2026 - 19:14

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Proof of the inclusion - exclusion theorem

Published on 28 Nov 2019 - 18:29

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Let $X, Y,$ and $Z$ be the sets of positive divisors of $10^{60}, 20^{50}$ and $30^{40}$ respectively. Find $n (X\cup Y\cup Z) $.

Published on 29 Nov 2019 - 16:43

108

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Prime number formula proof

Published on 02 Dec 2019 - 15:09

50

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Fullhouse probability for first and third person

Published on 25 Mar 2026 - 6:26

142

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Inclusion-Exclusion with 4 sets

Published on 05 Dec 2019 - 5:37

117

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Inclusion and exclusion with sets of functions

Published on 06 Dec 2019 - 3:33

104

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Prove $\binom{N+K-1}{K}=\sum_{i=1}^{N-1} (-1)^{i+1}\binom{N}{i}\binom{N-i+K-1}{K}$ using polynomial

Published on 08 Dec 2019 - 9:05

25

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Question about a survey, set theory

Published on 09 Dec 2019 - 18:34

75

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Exclusion-inclusion principle proof

Published on 10 Dec 2019 - 12:16

139

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Combinatorics and Inclusion Exclusion Principle

Published on 13 Dec 2019 - 16:32

376

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Proving the Inclusion Exclusion Principle using Combinatorics

Published on 16 Dec 2019 - 16:05

List Question

Interesting identity $\sum_{A\subseteq X\\B\subseteq X}|A\cap B|=n4^{n-1}$

Probability that $k$ out of $m$ bins of limited capacity are full after throwing $n$ balls

In how many ways can four men and four women be seated at a round table if no two men are to be in adjacent seats?

Combinatorial proof using P.I.E

Proof of the inclusion - exclusion theorem

Let $X, Y,$ and $Z$ be the sets of positive divisors of $10^{60}, 20^{50}$ and $30^{40}$ respectively. Find $n (X\cup Y\cup Z) $.

Prime number formula proof

Fullhouse probability for first and third person

Inclusion-Exclusion with 4 sets

Inclusion and exclusion with sets of functions

Prove $\binom{N+K-1}{K}=\sum_{i=1}^{N-1} (-1)^{i+1}\binom{N}{i}\binom{N-i+K-1}{K}$ using polynomial

Question about a survey, set theory

Exclusion-inclusion principle proof

Combinatorics and Inclusion Exclusion Principle

Proving the Inclusion Exclusion Principle using Combinatorics

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