Question

How many words from $5$ different letters can be formed out of $10$ consonants and $5$ vowels if...

score 536 · Answer 1 · 2018-09-26 13:58:44

536

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How many words from $5$ different letters can be formed out of $10$ consonants and $5$ vowels if...

Published on 26 Sep 2018 - 13:58

score 2.2k · Answer 2 · 2026-03-25 03:03:44

2.2k

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How many permutations of $[n]$ are cycles of length $n$?

Published on 25 Mar 2026 - 3:03

score 434 · Answer 3 · 2026-03-27 04:13:25

434

Views

Computing the product of disjoint cycles

Published on 27 Mar 2026 - 4:13

score 346 · Answer 4 · 2026-03-28 03:55:28

346

Views

A pin can be composed of 4 or 5 characters short and each character can be a capital letter, lower case letter or a number

Published on 28 Mar 2026 - 3:55

score 4.8k · Answer 5 · 2018-09-26 21:29:30

4.8k

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eight people around square table

Published on 26 Sep 2018 - 21:29

score 664 · Answer 6 · 2026-03-28 05:59:32

664

Views

Compute the number of 7-digit sequences that contain a 5-digit consecutive substring

Published on 28 Mar 2026 - 5:59

score 409 · Answer 7 · 2026-03-28 06:00:00

409

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How many different ways can the letters in REVENUE be arranged to form different words?

Published on 28 Mar 2026 - 6:00

score 278 · Answer 8 · 2026-02-23 04:58:24

278

Views

Boxed lottery tickets, rencontres numbers and number of degree-$n$ permutations of order exactly $d$

Published on 23 Feb 2026 - 4:58

score 3.2k · Answer 9 · 2026-03-25 17:34:21

3.2k

Views

How many ways to pick up 1 or 3 chocolates from $n$ chocolates?

Published on 25 Mar 2026 - 17:34

score 2k · Answer 10 · 2018-09-28 08:20:20

2k

Views

5 pairs of shoes, from which 4 shoes are chosen at random. What is the probability that at least one pair is chosen?

Published on 28 Sep 2018 - 8:20

score 65 · Answer 11 · 2018-09-28 14:59:32

65

Views

Splitting books between people, with fixed split sizes on the number of books given to each person

Published on 28 Sep 2018 - 14:59

score 54 · Answer 12 · 2018-09-29 08:45:32

54

Views

Combinations with repetitons and order matters

Published on 29 Sep 2018 - 8:45

score 3.6k · Answer 13 · 2026-03-28 06:01:29

3.6k

Views

Probability question help (Check my answers please) Q. selection ordered pairs nPr, nCr

Published on 28 Mar 2026 - 6:01

score 67 · Answer 14 · 2018-09-30 08:03:29

67

Views

Types of permutations - official naming?

Published on 30 Sep 2018 - 8:03

score 162 · Answer 15 · 2018-09-30 18:51:37

162

Views

What is $\sigma^2$ of the following permutation, $\sigma=31654287$.

Published on 30 Sep 2018 - 18:51

List Question

How many words from $5$ different letters can be formed out of $10$ consonants and $5$ vowels if...

How many permutations of $[n]$ are cycles of length $n$?

Computing the product of disjoint cycles

A pin can be composed of 4 or 5 characters short and each character can be a capital letter, lower case letter or a number

eight people around square table

Compute the number of 7-digit sequences that contain a 5-digit consecutive substring

How many different ways can the letters in REVENUE be arranged to form different words?

Boxed lottery tickets, rencontres numbers and number of degree-$n$ permutations of order exactly $d$

How many ways to pick up 1 or 3 chocolates from $n$ chocolates?

5 pairs of shoes, from which 4 shoes are chosen at random. What is the probability that at least one pair is chosen?

Splitting books between people, with fixed split sizes on the number of books given to each person

Combinations with repetitons and order matters

Probability question help (Check my answers please) Q. selection ordered pairs nPr, nCr

Types of permutations - official naming?

What is $\sigma^2$ of the following permutation, $\sigma=31654287$.

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