Question

A committee of $8$ workers is formed selecting from a group of $6$ men and $5$ women. How many different committees can be formed if the committee…

score 86 · Answer 1 · 2019-04-16 20:32:46

A committee of $8$ workers is formed selecting from a group of $6$ men and $5$ women. How many different committees can be formed if the committee…

score 257 · Answer 2 · 2019-04-16 20:54:21

257

Views

How many bytes contain exactly two 1s?

Published on 16 Apr 2019 - 20:54

score 382 · Answer 3 · 2019-04-16 20:58:09

382

Views

Lucky draw Permutation or Combination

Published on 16 Apr 2019 - 20:58

score 939 · Answer 4 · 2019-04-17 02:18:04

939

Views

In combination problems, when does distinguishability of objects matter?

Published on 17 Apr 2019 - 2:18

score 77 · Answer 5 · 2026-03-26 18:29:57

77

Views

Subset of combinations in larger set

Published on 26 Mar 2026 - 18:29

score 79 · Answer 6 · 2019-04-17 15:02:59

79

Views

Number of ways to put $n$ objects with $k$ distinguishable groups into sets of size $a$, $b$, and $c$ $(a+b+c = n)$

Published on 17 Apr 2019 - 15:02

score 311 · Answer 7 · 2026-03-25 23:52:17

311

Views

Combinatorial proof $\sum_i^{\lfloor{n/2}\rfloor} (-1)^i {n-i\choose i} 2^{n-2i} = n+1$

Published on 25 Mar 2026 - 23:52

score 76 · Answer 8 · 2019-04-17 17:55:50

76

Views

In how many ways we can split set$ \{a_{1},..,a_{9}, b_{1},.., b_{9}, c_{1} ,.., c_{9}\}$ into 9 set of shape $\{ a_{i}, b_{j}, c_{k} \} $

Published on 17 Apr 2019 - 17:55

score 41 · Answer 9 · 2026-03-26 14:23:04

41

Views

$\sum\binom{n}{a_1}\prod\limits_{p=2}^{k}\binom{n-a_{p-1}}{a_p-a_{p-1}}=k!{n+1\brace k+1}$

Published on 26 Mar 2026 - 14:23

score 157 · Answer 10 · 2026-03-25 17:23:38

157

Views

How do I solve this combinatorics problem with conditions?

Published on 25 Mar 2026 - 17:23

score 111 · Answer 11 · 2026-03-26 08:02:42

111

Views

In how many ways can we select $5$ children from this group so that Mary and Jane are always in the selection?

Published on 26 Mar 2026 - 8:02

score 60 · Answer 12 · 2026-03-26 14:26:13

60

Views

combinations word problems math

Published on 26 Mar 2026 - 14:26

score 112 · Answer 13 · 2019-04-19 16:27:36

112

Views

How does distinguishability of boxes change the number of ways to distribute n objects into separate boxes

Published on 19 Apr 2019 - 16:27

score 92 · Answer 14 · 2019-04-20 11:25:25

92

Views

Getting a wrong answer on evaluating permutations separately

Published on 20 Apr 2019 - 11:25

score 25 · Answer 15 · 2019-04-20 18:34:42

25

Views

Permutation and combination when certain objects are alike.

Published on 20 Apr 2019 - 18:34

List Question

A committee of $8$ workers is formed selecting from a group of $6$ men and $5$ women. How many different committees can be formed if the committee…

How many bytes contain exactly two 1s?

Lucky draw Permutation or Combination

In combination problems, when does distinguishability of objects matter?

Subset of combinations in larger set

Number of ways to put $n$ objects with $k$ distinguishable groups into sets of size $a$, $b$, and $c$ $(a+b+c = n)$

Combinatorial proof $\sum_i^{\lfloor{n/2}\rfloor} (-1)^i {n-i\choose i} 2^{n-2i} = n+1$

In how many ways we can split set$ \{a_{1},..,a_{9}, b_{1},.., b_{9}, c_{1} ,.., c_{9}\}$ into 9 set of shape $\{ a_{i}, b_{j}, c_{k} \} $

$\sum\binom{n}{a_1}\prod\limits_{p=2}^{k}\binom{n-a_{p-1}}{a_p-a_{p-1}}=k!{n+1\brace k+1}$

How do I solve this combinatorics problem with conditions?

In how many ways can we select $5$ children from this group so that Mary and Jane are always in the selection?

combinations word problems math

How does distinguishability of boxes change the number of ways to distribute n objects into separate boxes

Getting a wrong answer on evaluating permutations separately

Permutation and combination when certain objects are alike.

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