Question

Is it possible to make a computer network of 75 computers

score 98 · Answer 1 · 2026-03-22 23:46:46

98

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Is it possible to make a computer network of 75 computers

Published on 22 Mar 2026 - 23:46

score 116 · Answer 2 · 2026-03-22 15:47:17

116

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Pigeonhole principle: prove that a class of 21 has at least 11 male or 11 female students.

Published on 22 Mar 2026 - 15:47

score 644 · Answer 3 · 2026-03-22 20:53:38

644

Views

Proving that a set of 2016 natural numbers contain a non-empty set with a sum divisible by 2016

Published on 22 Mar 2026 - 20:53

score 583 · Answer 4 · 2026-03-23 09:52:50

583

Views

Question on proof of Erdos and Szekeres

Published on 23 Mar 2026 - 9:52

score 813 · Answer 5 · 2026-03-23 01:24:32

813

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Pigeon Hole Principle Proof integrated with sets

Published on 23 Mar 2026 - 1:24

score 721 · Answer 6 · 2026-03-23 01:07:22

721

Views

# of vertices and # of connected components proof problem?

Published on 23 Mar 2026 - 1:07

score 643 · Answer 7 · 2026-03-23 13:24:02

643

Views

Prove that any collection of 8 distinct integers contains distinct x and y such that x - y is divisible by 7.

Published on 23 Mar 2026 - 13:24

score 1.4k · Answer 8 · 2026-03-22 13:22:33

1.4k

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Hint for problem on $4 \times 7$-chessboard problem related to pigeonhole principle

Published on 22 Mar 2026 - 13:22

score 108 · Answer 9 · 2026-03-23 09:27:40

108

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Pigeonhole principle subsets

Published on 23 Mar 2026 - 9:27

score 82 · Answer 10 · 2026-03-22 20:05:11

$80$ balls in a row. $50$ of them are yellow and $30$ are blue. Prove that there are at least $2$ blue balls with a distance of exactly $3$ or $6$.

score 96 · Answer 11 · 2026-03-17 03:03:51

96

Views

Pigeon-hole principle question.

Published on 17 Mar 2026 - 3:03

score 99 · Answer 12 · 2026-03-20 07:50:45

99

Views

Is this a valid proof? Pigeonhole Principle

Published on 20 Mar 2026 - 7:50

score 72 · Answer 13 · 2026-03-20 14:26:22

72

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Given $3n+1$ points such that any $4$ of them contain a pair at distance at most $1$, then $n+1$ fit in a disc of radius $1$.

Published on 20 Mar 2026 - 14:26

score 232 · Answer 14 · 2026-03-20 11:16:08

232

Views

Using Pigeonhole principle to prove a subset statement

Published on 20 Mar 2026 - 11:16

score 180 · Answer 15 · 2026-03-19 19:08:02

180

Views

Problem concerning the use of Pigeonhole (Box) principle

Published on 19 Mar 2026 - 19:08

List Question

Is it possible to make a computer network of 75 computers

Pigeonhole principle: prove that a class of 21 has at least 11 male or 11 female students.

Proving that a set of 2016 natural numbers contain a non-empty set with a sum divisible by 2016

Question on proof of Erdos and Szekeres

Pigeon Hole Principle Proof integrated with sets

# of vertices and # of connected components proof problem?

Prove that any collection of 8 distinct integers contains distinct x and y such that x - y is divisible by 7.

Hint for problem on $4 \times 7$-chessboard problem related to pigeonhole principle

Pigeonhole principle subsets

$80$ balls in a row. $50$ of them are yellow and $30$ are blue. Prove that there are at least $2$ blue balls with a distance of exactly $3$ or $6$.

Pigeon-hole principle question.

Is this a valid proof? Pigeonhole Principle

Given $3n+1$ points such that any $4$ of them contain a pair at distance at most $1$, then $n+1$ fit in a disc of radius $1$.

Using Pigeonhole principle to prove a subset statement

Problem concerning the use of Pigeonhole (Box) principle

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