Question

How many permutations of 4 letters can be made out of the letters of the word 'examination'?

score 4k · Answer 1 · 2026-04-13 12:39:00

4k

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How many permutations of 4 letters can be made out of the letters of the word 'examination'?

Published on 13 Apr 2026 - 12:39

score 3.1k · Answer 2 · 2026-04-12 21:06:11

3.1k

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Permutation and combination difference, a flower shop question

Published on 12 Apr 2026 - 21:06

score 67 · Answer 3 · 2026-04-12 06:40:49

67

Views

A combinatorial coefficient linked to exterior product

Published on 12 Apr 2026 - 6:40

score 47 · Answer 4 · 2026-04-13 12:00:52

47

Views

combinatorics four digits out of three

Published on 13 Apr 2026 - 12:00

score 421 · Answer 5 · 2026-04-08 16:29:27

421

Views

Find all possible arrangements of numbers, but keeping the sum constant

Published on 08 Apr 2026 - 16:29

score 52 · Answer 6 · 2026-04-11 01:26:20

52

Views

Arrange numbers to prove question

Published on 11 Apr 2026 - 1:26

score 161 · Answer 7 · 2014-11-15 21:30:32

161

Views

A sequence $a_i$ such that $|a_1-a_2|,|a_2-a_3|,\ldots$ is also permutation of the positive integers

Published on 15 Nov 2014 - 21:30

score 593 · Answer 8 · 2014-11-15 21:48:50

593

Views

How many possible permutations are possible if ranking n entities using the 'standard competition ranking' strategy?

Published on 15 Nov 2014 - 21:48

score 65 · Answer 9 · 2014-11-16 02:43:48

65

Views

If $\tau_1=(a\space b), \tau_2=(c\space d)$, why is $\tau_1\tau_2=(d\space a\space c\space )(a\space b\space d)?$

Published on 16 Nov 2014 - 2:43

score 74 · Answer 10 · 2026-04-13 05:54:42

74

Views

Permutation - 17 women and 21 men to form a committee of size 7

Published on 13 Apr 2026 - 5:54

score 15.5k · Answer 11 · 2026-04-12 17:59:20

15.5k

Views

Combinations - 17 women and 21 men to form a committee of size 7

Published on 12 Apr 2026 - 17:59

score 2.2k · Answer 12 · 2026-04-13 20:17:33

2.2k

Views

Combinations of pizza toppings with at least one vegetable and at least one meat.

Published on 13 Apr 2026 - 20:17

score 57 · Answer 13 · 2026-04-13 23:34:41

57

Views

Concerning cycles and group actions.

Published on 13 Apr 2026 - 23:34

score 6.5k · Answer 14 · 2026-04-12 21:06:27

6.5k

Views

Permutations / Combinations - suppose a word is a string of 8 letters of the alphabet with repeated letters allowed

Published on 12 Apr 2026 - 21:06

score 136 · Answer 15 · 2026-04-13 19:51:48

136

Views

On transitive constituents of a permuation group

Published on 13 Apr 2026 - 19:51

List Question

How many permutations of 4 letters can be made out of the letters of the word 'examination'?

Permutation and combination difference, a flower shop question

A combinatorial coefficient linked to exterior product

combinatorics four digits out of three

Find all possible arrangements of numbers, but keeping the sum constant

Arrange numbers to prove question

A sequence $a_i$ such that $|a_1-a_2|,|a_2-a_3|,\ldots$ is also permutation of the positive integers

How many possible permutations are possible if ranking n entities using the 'standard competition ranking' strategy?

If $\tau_1=(a\space b), \tau_2=(c\space d)$, why is $\tau_1\tau_2=(d\space a\space c\space )(a\space b\space d)?$

Permutation - 17 women and 21 men to form a committee of size 7

Combinations - 17 women and 21 men to form a committee of size 7

Combinations of pizza toppings with at least one vegetable and at least one meat.

Concerning cycles and group actions.

Permutations / Combinations - suppose a word is a string of 8 letters of the alphabet with repeated letters allowed

On transitive constituents of a permuation group

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