Question

How many $5$ letter words can be made from $15$ letter set where multiple conditions must be met

score 244 · Answer 1 · 2022-04-03 03:15:14

244

Views

How many $5$ letter words can be made from $15$ letter set where multiple conditions must be met

Published on 03 Apr 2022 - 3:15

score 271 · Answer 2 · 2022-04-04 00:00:51

271

Views

Find the number of rearrangements of AABBBCCDDD where there are no two consecutive As or Bs

Published on 04 Apr 2022 - 0:00

score 98 · Answer 3 · 2022-04-04 03:45:17

98

Views

Determine the number of graphs.

Published on 04 Apr 2022 - 3:45

score 276 · Answer 4 · 2022-04-06 05:03:04

276

Views

Number of ways to color a square graph with diagonal line using principle of Inclusion and Exclusion

Published on 06 Apr 2022 - 5:03

score 179 · Answer 5 · 2022-04-08 17:47:10

179

Views

binomial coefficient in the inclusion-exclusion principle

Published on 08 Apr 2022 - 17:47

score 260 · Answer 6 · 2022-04-13 08:56:36

260

Views

Why is $\sum_{i=0}^k (-1)^{k-i} {n \choose i} {n-i-1 \choose k-i}=1$

Published on 13 Apr 2022 - 8:56

score 62 · Answer 7 · 2022-04-13 09:03:49

62

Views

Choosing $n$ out of $k$ classes limited to $r$ for each class

Published on 13 Apr 2022 - 9:03

score 648 · Answer 8 · 2022-04-14 13:34:06

648

Views

Inclusion–exclusion principle; what is $(-1)^{n+1}$

Published on 14 Apr 2022 - 13:34

score 111 · Answer 9 · 2022-04-15 07:50:40

111

Views

Montmort’s matching problem with venn diagram

Published on 15 Apr 2022 - 7:50

score 1.1k · Answer 10 · 2022-04-30 13:12:26

1.1k

Views

Probability of rolling at least one 5 before the first 6

Published on 30 Apr 2022 - 13:12

score 639 · Answer 11 · 2022-05-07 04:24:17

639

Views

Is there any information that is missing in this problem?

Published on 07 May 2022 - 4:24

score 492 · Answer 12 · 2026-03-31 19:45:15

492

Views

Combinatorics explanation of Inclusion-Exclusion Principle Exactly-$m$ Properties Formula $E_m=\sum_{j=m}^n(-1)^{j-m}\color{blue}{{j\choose m}}S_j$

Published on 31 Mar 2026 - 19:45

score 58 · Answer 13 · 2022-05-08 18:11:29

58

Views

An inequality involving the Inclusion-exclusion principle

Published on 08 May 2022 - 18:11

score 23 · Answer 14 · 2022-05-09 16:30:37

23

Views

$n$ people place their phone into a bag. Each person randomly picks a mobile phone from the bag

Published on 09 May 2022 - 16:30

score 110 · Answer 15 · 2022-05-12 07:29:35

110

Views

Do the terms of an inclusion-exclusion summation decrease?

Published on 12 May 2022 - 7:29

List Question

How many $5$ letter words can be made from $15$ letter set where multiple conditions must be met

Find the number of rearrangements of AABBBCCDDD where there are no two consecutive As or Bs

Determine the number of graphs.

Number of ways to color a square graph with diagonal line using principle of Inclusion and Exclusion

binomial coefficient in the inclusion-exclusion principle

Why is $\sum_{i=0}^k (-1)^{k-i} {n \choose i} {n-i-1 \choose k-i}=1$

Choosing $n$ out of $k$ classes limited to $r$ for each class

Inclusion–exclusion principle; what is $(-1)^{n+1}$

Montmort’s matching problem with venn diagram

Probability of rolling at least one 5 before the first 6

Is there any information that is missing in this problem?

Combinatorics explanation of Inclusion-Exclusion Principle Exactly-$m$ Properties Formula $E_m=\sum_{j=m}^n(-1)^{j-m}\color{blue}{{j\choose m}}S_j$

An inequality involving the Inclusion-exclusion principle

$n$ people place their phone into a bag. Each person randomly picks a mobile phone from the bag

Do the terms of an inclusion-exclusion summation decrease?

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