Question

Combinatorics - inclusion exclusion, check my answer

score 192 · Answer 1 · 2014-02-06 21:04:37

192

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Combinatorics - inclusion exclusion, check my answer

Published on 06 Feb 2014 - 21:04

score 627 · Answer 2 · 2014-02-08 20:18:45

627

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We have a $n \times m$ grid. How many ways to put $p$ points on it, so that every column and row had at least one point.

Published on 08 Feb 2014 - 20:18

score 326 · Answer 3 · 2014-02-11 18:26:55

326

Views

A die is thrown five times, what is the probability that you get 20 as the sum of the values

Published on 11 Feb 2014 - 18:26

score 95 · Answer 4 · 2014-02-17 08:30:34

95

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Principle of Inclusion and Exclusion

Published on 17 Feb 2014 - 8:30

score 2.4k · Answer 5 · 2014-02-17 08:40:46

2.4k

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In how many ways can the Letters of the Alphabet be permuted such that it does not contain CAR,DOG,PUN,BYTE

Published on 17 Feb 2014 - 8:40

score 339 · Answer 6 · 2014-02-17 21:16:03

339

Views

How many permutations of the sequence 1, 2, 3...N where none of the first K numbers in the original sequence is in it's place?

Published on 17 Feb 2014 - 21:16

score 58 · Answer 7 · 2026-03-26 22:15:23

58

Views

Number of k-permutations that have odd number of an element

Published on 26 Mar 2026 - 22:15

score 56.9k · Answer 8 · 2014-02-24 02:50:21

56.9k

Views

What is the inclusion-exclusion principle for 4 sets?

Published on 24 Feb 2014 - 2:50

score 199 · Answer 9 · 2014-02-28 21:33:13

199

Views

Help with using the "Inclusion–exclusion principle"

Published on 28 Feb 2014 - 21:33

score 102 · Answer 10 · 2014-03-01 09:00:20

102

Views

We are giving $m$ prizes to $n$ people at lottery...

Published on 01 Mar 2014 - 9:00

score 3.2k · Answer 11 · 2026-02-23 17:03:15

3.2k

Views

Prove: Number of derangement is odd if and only if number of items is even .

Published on 23 Feb 2026 - 17:03

score 1.4k · Answer 12 · 2014-03-09 16:03:35

1.4k

Views

Inclusion and Exclusion Word Problem: Discrete Math

Published on 09 Mar 2014 - 16:03

score 541 · Answer 13 · 2017-04-11 02:24:01

541

Views

Combinatorics problem using inclusion/exclusion on matching pairs

Published on 11 Apr 2017 - 2:24

score 75 · Answer 14 · 2017-04-12 13:07:40

75

Views

How can I prove this relation (combinatorics)

Published on 12 Apr 2017 - 13:07

score 714 · Answer 15 · 2017-04-13 01:26:40

714

Views

How many 3-digit numbers are there such that 8 is the largest digit?

Published on 13 Apr 2017 - 1:26

List Question

Combinatorics - inclusion exclusion, check my answer

We have a $n \times m$ grid. How many ways to put $p$ points on it, so that every column and row had at least one point.

A die is thrown five times, what is the probability that you get 20 as the sum of the values

Principle of Inclusion and Exclusion

In how many ways can the Letters of the Alphabet be permuted such that it does not contain CAR,DOG,PUN,BYTE

How many permutations of the sequence 1, 2, 3...N where none of the first K numbers in the original sequence is in it's place?

Number of k-permutations that have odd number of an element

What is the inclusion-exclusion principle for 4 sets?

Help with using the "Inclusion–exclusion principle"

We are giving $m$ prizes to $n$ people at lottery...

Prove: Number of derangement is odd if and only if number of items is even .

Inclusion and Exclusion Word Problem: Discrete Math

Combinatorics problem using inclusion/exclusion on matching pairs

How can I prove this relation (combinatorics)

How many 3-digit numbers are there such that 8 is the largest digit?

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