Question

Why is -1 subtracted in calculation of number of strategies

score 38 · Answer 1 · 2018-10-06 19:51:52

38

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Why is -1 subtracted in calculation of number of strategies

Published on 06 Oct 2018 - 19:51

score 149 · Answer 2 · 2018-10-07 05:49:33

149

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There are four couples to be seated in a row with $8$ seats.

Published on 07 Oct 2018 - 5:49

score 1.2k · Answer 3 · 2018-10-07 10:36:21

1.2k

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In how many ways can ten indistinguishable cookies be distributed to four friends with restrictions?

Published on 07 Oct 2018 - 10:36

score 332 · Answer 4 · 2018-10-07 12:01:59

A hotel has 6 single rooms, 6 double rooms and 4 rooms in which 3 persons can stay. In how many ways can 30 persons be accommodated in this hotel?

score 238 · Answer 5 · 2026-03-27 15:21:58

238

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How many squares can I select from chess board

Published on 27 Mar 2026 - 15:21

score 1.9k · Answer 6 · 2026-03-25 03:20:21

1.9k

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Random Bridge Hand w Cards of exactly two suits

Published on 25 Mar 2026 - 3:20

score 106 · Answer 7 · 2018-10-07 18:27:38

106

Views

Number of ternary sequences of length $n$ with the property that $|x_i - x_{i - 1}| = 1$ for each $i$ such that $2 \leq i \leq n$

Published on 07 Oct 2018 - 18:27

score 80 · Answer 8 · 2018-10-08 08:56:31

80

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Probability of number of children

Published on 08 Oct 2018 - 8:56

score 2.6k · Answer 9 · 2018-10-08 15:36:23

2.6k

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5 digit numbers in ascending order

Published on 08 Oct 2018 - 15:36

score 27 · Answer 10 · 2018-10-09 00:03:56

27

Views

How can I figure out the number of ways that more men than women are selected?

Published on 09 Oct 2018 - 0:03

score 58 · Answer 11 · 2018-10-09 04:22:51

58

Views

Number of ordered triplets $(x, y, z)$ if $x, y, z \in \{1, 2, 3, 4, \ldots, n\}$ such that $x \geq y$ and $z \geq y$

Published on 09 Oct 2018 - 4:22

score 56 · Answer 12 · 2018-10-09 11:38:09

56

Views

Given 24 computers and 6 broken computers, how many of the following different combinations are there?

Published on 09 Oct 2018 - 11:38

score 44 · Answer 13 · 2026-03-26 01:28:20

44

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Arranging 3 types of balls

Published on 26 Mar 2026 - 1:28

score 51 · Answer 14 · 2018-10-10 00:37:55

$10$ questions selected from a bank of $25$ questions. Easiest question first and hardest question always last. # of different ways.

score 132 · Answer 15 · 2018-10-10 01:30:28

132

Views

Combinatorics question on number of integer solutions given different restrictions

Published on 10 Oct 2018 - 1:30

List Question

Why is -1 subtracted in calculation of number of strategies

There are four couples to be seated in a row with $8$ seats.

In how many ways can ten indistinguishable cookies be distributed to four friends with restrictions?

A hotel has 6 single rooms, 6 double rooms and 4 rooms in which 3 persons can stay. In how many ways can 30 persons be accommodated in this hotel?

How many squares can I select from chess board

Random Bridge Hand w Cards of exactly two suits

Number of ternary sequences of length $n$ with the property that $|x_i - x_{i - 1}| = 1$ for each $i$ such that $2 \leq i \leq n$

Probability of number of children

5 digit numbers in ascending order

How can I figure out the number of ways that more men than women are selected?

Number of ordered triplets $(x, y, z)$ if $x, y, z \in \{1, 2, 3, 4, \ldots, n\}$ such that $x \geq y$ and $z \geq y$

Given 24 computers and 6 broken computers, how many of the following different combinations are there?

Arranging 3 types of balls

$10$ questions selected from a bank of $25$ questions. Easiest question first and hardest question always last. # of different ways.

Combinatorics question on number of integer solutions given different restrictions

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