Question

understanding when "order" is implied by the multiplication principle

score 179 · Answer 1 · 2026-03-29 07:22:12

179

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understanding when "order" is implied by the multiplication principle

Published on 29 Mar 2026 - 7:22

score 215 · Answer 2 · 2026-03-29 07:28:33

215

Views

Combinations vs. permutations: knowing when and how to account for order Part 2

Published on 29 Mar 2026 - 7:28

score 341 · Answer 3 · 2026-03-25 22:03:36

341

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Is $G$ isomorphic to the dihedral group $D_{10}$?

Published on 25 Mar 2026 - 22:03

score 1.2k · Answer 4 · 2026-03-26 13:49:44

1.2k

Views

Rolling Dice 5 Times

Published on 26 Mar 2026 - 13:49

score 43 · Answer 5 · 2026-03-30 09:13:57

43

Views

Digit permutation puzzle

Published on 30 Mar 2026 - 9:13

score 637 · Answer 6 · 2018-11-22 20:35:15

637

Views

Permutations with simultaneous repetition and restriction(subset length)

Published on 22 Nov 2018 - 20:35

score 49 · Answer 7 · 2026-03-25 04:39:22

49

Views

How to use nPn in Burst Balloon problem with the given condition?

Published on 25 Mar 2026 - 4:39

score 2.2k · Answer 8 · 2018-11-23 19:02:34

2.2k

Views

Probability that the first 2 letters are consonants when the letters of the word 'equilibrium' are rearranged

Published on 23 Nov 2018 - 19:02

score 59 · Answer 9 · 2026-04-02 09:15:38

59

Views

How to evaluate $ \sum_{k=0}^{\frac{n}{2}} {n\choose2k}$?

Published on 02 Apr 2026 - 9:15

score 574 · Answer 10 · 2026-04-01 14:42:25

574

Views

Coxeter length in the symmetric group equals number of inversions

Published on 01 Apr 2026 - 14:42

score 669 · Answer 11 · 2018-11-24 08:16:37

669

Views

How many ways to arrange four types of books on the shelf so that books of the same type are together?

Published on 24 Nov 2018 - 8:16

score 1.7k · Answer 12 · 2026-03-28 00:57:54

1.7k

Views

Permutations of STATISTICS with one T alone and the other two together

Published on 28 Mar 2026 - 0:57

score 1.6k · Answer 13 · 2018-11-24 18:28:05

1.6k

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How many ways can 6 boys and 4 girls stand in a row if the girls must not be together?

Published on 24 Nov 2018 - 18:28

score 44 · Answer 14 · 2018-11-25 01:36:58

Given 20 sugar bars and 50 salt bars. Consider subsets of these 70 bars, consisting of 30 bars, exactly 12 are sugar bars. How many such subsets?

score 38 · Answer 15 · 2018-11-25 04:06:16

38

Views

How many subsets are there for this case?

Published on 25 Nov 2018 - 4:06

List Question

understanding when "order" is implied by the multiplication principle

Combinations vs. permutations: knowing when and how to account for order Part 2

Is $G$ isomorphic to the dihedral group $D_{10}$?

Rolling Dice 5 Times

Digit permutation puzzle

Permutations with simultaneous repetition and restriction(subset length)

How to use nPn in Burst Balloon problem with the given condition?

Probability that the first 2 letters are consonants when the letters of the word 'equilibrium' are rearranged

How to evaluate $ \sum_{k=0}^{\frac{n}{2}} {n\choose2k}$?

Coxeter length in the symmetric group equals number of inversions

How many ways to arrange four types of books on the shelf so that books of the same type are together?

Permutations of STATISTICS with one T alone and the other two together

How many ways can 6 boys and 4 girls stand in a row if the girls must not be together?

Given 20 sugar bars and 50 salt bars. Consider subsets of these 70 bars, consisting of 30 bars, exactly 12 are sugar bars. How many such subsets?

How many subsets are there for this case?

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