Question

How many $5$-digit numbers with distinct digits are divisible by 3 (and generalize)

score 1.4k · Answer 1 · 2018-09-23 11:23:53

1.4k

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How many $5$-digit numbers with distinct digits are divisible by 3 (and generalize)

Published on 23 Sep 2018 - 11:23

score 36 · Answer 2 · 2018-09-23 13:45:38

36

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How many ways can I choose a committee of $3$ people from $7$ males and $2$ females.

Published on 23 Sep 2018 - 13:45

score 74 · Answer 3 · 2018-09-23 21:11:51

74

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Calculating poker between two players

Published on 23 Sep 2018 - 21:11

score 182 · Answer 4 · 2018-09-24 02:35:09

182

Views

Three dice are thrown simultaneously. How many combinations of numbers allow the sum to be $12$?

Published on 24 Sep 2018 - 2:35

score 528 · Answer 5 · 2018-09-24 14:49:58

528

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Combinatorics - Distributing n balls to 2 boxes

Published on 24 Sep 2018 - 14:49

score 249 · Answer 6 · 2018-09-24 16:09:58

249

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show $nCk= \frac{n}{n-k}\cdot(n-1)C(k) $

Published on 24 Sep 2018 - 16:09

score 1.2k · Answer 7 · 2018-09-24 23:32:00

1.2k

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How to solve 4 apples, 5 oranges and 6 bananas in 4 baskets?

Published on 24 Sep 2018 - 23:32

score 3.1k · Answer 8 · 2018-09-25 04:45:42

3.1k

Views

Given 5 history texts, 3 sociology texts, 6 anthropology texts and 4 psychology texts,

Published on 25 Sep 2018 - 4:45

score 399 · Answer 9 · 2018-09-25 19:26:18

399

Views

Distribution of objects into equally-sized groups

Published on 25 Sep 2018 - 19:26

score 224 · Answer 10 · 2018-09-25 19:36:29

224

Views

How many ordered pairs $(X, Y)$, where $X$, $Y$ are subsets of $\{5,6,7,8,9\}$

Published on 25 Sep 2018 - 19:36

score 373 · Answer 11 · 2018-09-26 02:18:20

373

Views

Combinatorics and Graph Theory

Published on 26 Sep 2018 - 2:18

score 1.3k · Answer 12 · 2018-09-26 04:07:51

1.3k

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How many length-5 ternary strings are there without 4 consecutive 0s, 1s or 2s? For example, 20000 and 11112 are excluded.

Published on 26 Sep 2018 - 4:07

score 68 · Answer 13 · 2026-03-25 01:37:08

68

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Poker combinatorics: chances opponent has a full house given that you have 2 pairs

Published on 25 Mar 2026 - 1:37

score 1.8k · Answer 14 · 2018-09-26 16:04:30

Maximum number of weeks that can elapse without having the same four individuals who have served together with the same committee chair

score 345 · Answer 15 · 2018-09-26 20:14:51

345

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 26 Sep 2018 - 20:14

List Question

How many $5$-digit numbers with distinct digits are divisible by 3 (and generalize)

How many ways can I choose a committee of $3$ people from $7$ males and $2$ females.

Calculating poker between two players

Three dice are thrown simultaneously. How many combinations of numbers allow the sum to be $12$?

Combinatorics - Distributing n balls to 2 boxes

show $nCk= \frac{n}{n-k}\cdot(n-1)C(k) $

How to solve 4 apples, 5 oranges and 6 bananas in 4 baskets?

Given 5 history texts, 3 sociology texts, 6 anthropology texts and 4 psychology texts,

Distribution of objects into equally-sized groups

How many ordered pairs $(X, Y)$, where $X$, $Y$ are subsets of $\{5,6,7,8,9\}$

Combinatorics and Graph Theory

How many length-5 ternary strings are there without 4 consecutive 0s, 1s or 2s? For example, 20000 and 11112 are excluded.

Poker combinatorics: chances opponent has a full house given that you have 2 pairs

Maximum number of weeks that can elapse without having the same four individuals who have served together with the same committee chair

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

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