Question

90 people with ten friends in the group. Prove its possible to have each person invite 3 people such that each knows at least two others

score 701 · Answer 1 · 2013-11-05 01:57:37

701

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90 people with ten friends in the group. Prove its possible to have each person invite 3 people such that each knows at least two others

Published on 05 Nov 2013 - 1:57

score 1.9k · Answer 2 · 2013-11-07 02:26:07

1.9k

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pigeonhole principle divisibility proof

Published on 07 Nov 2013 - 2:26

score 170 · Answer 3 · 2013-11-08 05:11:29

170

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Friend Group and Hater Group

Published on 08 Nov 2013 - 5:11

score 178 · Answer 4 · 2013-11-09 08:50:37

178

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Prove that there is an element in $ \{ \sqrt{3}, 2\sqrt{3}, 3\sqrt{3},...\}$ having fractional part less than 0.01

Published on 09 Nov 2013 - 8:50

score 35.1k · Answer 5 · 2013-11-13 08:14:24

35.1k

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Pigeonhole Principle Question - Group of 6 people, do 3 either know each other or not?

Published on 13 Nov 2013 - 8:14

score 595 · Answer 6 · 2013-11-15 03:42:33

595

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using the pigeon hole principle to prove that some integer with a sequence of ones and zeros is divisible by some d

Published on 15 Nov 2013 - 3:42

score 156 · Answer 7 · 2013-11-15 17:04:48

156

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Published on 15 Nov 2013 - 17:04

score 1.3k · Answer 8 · 2013-11-18 15:09:40

1.3k

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score 198 · Answer 9 · 2013-11-18 17:24:50

198

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Published on 18 Nov 2013 - 17:24

score 102 · Answer 10 · 2013-11-18 19:17:20

102

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score 12.1k · Answer 11 · 2013-11-24 06:39:09

12.1k

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Published on 24 Nov 2013 - 6:39

score 699 · Answer 12 · 2013-11-26 07:48:04

699

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Published on 26 Nov 2013 - 7:48

score 743 · Answer 13 · 2013-11-27 21:56:27

Seven boys and five girls are seated around a circular table with 12 chairs. Prove that there are two boys sitting opposite one another.

score 1.1k · Answer 14 · 2013-12-02 21:48:34

1.1k

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Picking three socks out of a drawer with two socks with two colors

Published on 02 Dec 2013 - 21:48

score 147 · Answer 15 · 2013-12-03 12:40:24

147

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Pigeonhole Principle question - sum of positive integers

Published on 03 Dec 2013 - 12:40

List Question

90 people with ten friends in the group. Prove its possible to have each person invite 3 people such that each knows at least two others

pigeonhole principle divisibility proof

Friend Group and Hater Group

Prove that there is an element in $ \{ \sqrt{3}, 2\sqrt{3}, 3\sqrt{3},...\}$ having fractional part less than 0.01

Pigeonhole Principle Question - Group of 6 people, do 3 either know each other or not?

using the pigeon hole principle to prove that some integer with a sequence of ones and zeros is divisible by some d

Induction and typical pigeonhole principle

Combinatorics Pigeonhole problem

Max area of triangle -PHP

Pigeonhole problem - salvaging my solution

Generalized Pigeonhole Principle

Application of pigeonhole principle

Seven boys and five girls are seated around a circular table with 12 chairs. Prove that there are two boys sitting opposite one another.

Picking three socks out of a drawer with two socks with two colors

Pigeonhole Principle question - sum of positive integers

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