Question

What is the number of arrangements in the word "DAUGHTER" where vowels are never together?

score 4k · Answer 1 · 2018-02-24 13:59:01

4k

Views

What is the number of arrangements in the word "DAUGHTER" where vowels are never together?

Published on 24 Feb 2018 - 13:59

score 64 · Answer 2 · 2026-03-25 03:58:14

64

Views

Looking for a challenging task or variant related to the knight's tour problem

Published on 25 Mar 2026 - 3:58

score 19 · Answer 3 · 2018-02-24 22:02:20

19

Views

How to show the length of a concatenated cycle?

Published on 24 Feb 2018 - 22:02

score 72 · Answer 4 · 2026-03-25 19:11:15

72

Views

Where am I mistaken in my approach through PIE?

Published on 25 Mar 2026 - 19:11

score 56 · Answer 5 · 2026-03-25 06:09:53

56

Views

Counting the equal-differences of an permutation

Published on 25 Mar 2026 - 6:09

score 225 · Answer 6 · 2026-03-25 19:17:35

225

Views

counting with constraints

Published on 25 Mar 2026 - 19:17

score 52 · Answer 7 · 2026-03-25 19:11:21

52

Views

Will ${n \choose r} = {m \choose k}$ for $n \not=m$?

Published on 25 Mar 2026 - 19:11

score 43 · Answer 8 · 2018-02-26 15:58:35

43

Views

Given $4$ places, find the number of ways you can fill four Reds, one Blue, one Green and one Yellow

Published on 26 Feb 2018 - 15:58

score 175 · Answer 9 · 2026-03-25 04:59:49

175

Views

Prove that for any integer n, if n' is obtained by permuting the digits of n, then 9|n − n '.

Published on 25 Mar 2026 - 4:59

score 246 · Answer 10 · 2026-03-26 11:00:00

246

Views

What are applications of a group ring such as $\mathbb{Z}[S_3]$

Published on 26 Mar 2026 - 11:00

score 138 · Answer 11 · 2018-02-28 05:20:14

138

Views

Permutations with the same sum

Published on 28 Feb 2018 - 5:20

score 186 · Answer 12 · 2018-02-28 16:18:30

186

Views

In how many ways can $10$ blue and $10$ red balls be arranged so that no three consecutive balls are of the same color?

Published on 28 Feb 2018 - 16:18

score 192 · Answer 13 · 2018-02-28 23:47:55

192

Views

In how many different orders can $n$ cars line up in a gas station of $4$ parallel gas pumps?

Published on 28 Feb 2018 - 23:47

score 103 · Answer 14 · 2018-03-01 01:02:26

103

Views

What is the arithmetic rule to merge a cycle and a non disjoint transposition?

Published on 01 Mar 2018 - 1:02

score 300 · Answer 15 · 2026-03-20 07:50:28

300

Views

Permutation of a multiset with restrictions on two characters.

Published on 20 Mar 2026 - 7:50

List Question

What is the number of arrangements in the word "DAUGHTER" where vowels are never together?

Looking for a challenging task or variant related to the knight's tour problem

How to show the length of a concatenated cycle?

Where am I mistaken in my approach through PIE?

Counting the equal-differences of an permutation

counting with constraints

Will ${n \choose r} = {m \choose k}$ for $n \not=m$?

Given $4$ places, find the number of ways you can fill four Reds, one Blue, one Green and one Yellow

Prove that for any integer n, if n' is obtained by permuting the digits of n, then 9|n − n '.

What are applications of a group ring such as $\mathbb{Z}[S_3]$

Permutations with the same sum

In how many ways can $10$ blue and $10$ red balls be arranged so that no three consecutive balls are of the same color?

In how many different orders can $n$ cars line up in a gas station of $4$ parallel gas pumps?

What is the arithmetic rule to merge a cycle and a non disjoint transposition?

Permutation of a multiset with restrictions on two characters.

Trending Questions

Popular # Hahtags

Popular Questions