Question

Geometry and Permutation and Combination problem

score 253 · Answer 1 · 2026-04-11 23:30:49

253

Views

Geometry and Permutation and Combination problem

Published on 11 Apr 2026 - 23:30

score 37 · Answer 2 · 2026-04-09 15:19:21

37

Views

Easy question on combination

Published on 09 Apr 2026 - 15:19

score 98 · Answer 3 · 2026-04-13 05:17:02

98

Views

Cards Shuffle problem: How to prove solution exists? Is there a formula for the solution?

Published on 13 Apr 2026 - 5:17

score 260 · Answer 4 · 2026-04-12 20:17:42

260

Views

Circle permutation without consecutive integers placed together

Published on 12 Apr 2026 - 20:17

score 273 · Answer 5 · 2026-04-12 06:34:19

273

Views

password security combination problem

Published on 12 Apr 2026 - 6:34

score 53 · Answer 6 · 2026-04-15 06:55:22

53

Views

How many arrangements are there of the word “PERMUTATIONS” so that no three vowels come together?

Published on 15 Apr 2026 - 6:55

score 87 · Answer 7 · 2026-04-14 09:41:31

87

Views

Closed form of $\sum_{n=1}^{\infty} (n-1)!x^n$

Published on 14 Apr 2026 - 9:41

score 380 · Answer 8 · 2026-03-26 08:14:12

380

Views

Combinatorics - how many ways to divide balls in two groups

Published on 26 Mar 2026 - 8:14

score 448 · Answer 9 · 2026-04-14 05:55:24

448

Views

How many possible passwords are there for 8-100 characters?

Published on 14 Apr 2026 - 5:55

score 37 · Answer 10 · 2026-04-11 10:53:32

37

Views

Arrangements and permutation

Published on 11 Apr 2026 - 10:53

score 73 · Answer 11 · 2026-04-15 20:42:15

73

Views

Let us subdivide $n$ persons into $m$ teams. How often we must rebuild the teams that everyone worked at least once with everyone else in a team?

Published on 15 Apr 2026 - 20:42

score 92 · Answer 12 · 2026-04-14 08:08:31

92

Views

is this the correct way to solve the question?

Published on 14 Apr 2026 - 8:08

score 623 · Answer 13 · 2026-04-12 17:46:45

623

Views

Prove that a cycle of length $k\geq 2$ can be written as a product of $k-1$ transpositions.

Published on 12 Apr 2026 - 17:46

score 20 · Answer 14 · 2026-04-15 12:00:07

20

Views

how many ways are there to share 12 white ball and 3 red ball between 5 person in case that...

Published on 15 Apr 2026 - 12:00

score 104 · Answer 15 · 2026-04-15 18:43:21

104

Views

40 people are around a table,how many ways we can choose 5 person in case that between every 2 chosen person should be at least 3 people

Published on 15 Apr 2026 - 18:43

List Question

Geometry and Permutation and Combination problem

Easy question on combination

Cards Shuffle problem: How to prove solution exists? Is there a formula for the solution?

Circle permutation without consecutive integers placed together

password security combination problem

How many arrangements are there of the word “PERMUTATIONS” so that no three vowels come together?

Closed form of $\sum_{n=1}^{\infty} (n-1)!x^n$

Combinatorics - how many ways to divide balls in two groups

How many possible passwords are there for 8-100 characters?

Arrangements and permutation

Let us subdivide $n$ persons into $m$ teams. How often we must rebuild the teams that everyone worked at least once with everyone else in a team?

is this the correct way to solve the question?

Prove that a cycle of length $k\geq 2$ can be written as a product of $k-1$ transpositions.

how many ways are there to share 12 white ball and 3 red ball between 5 person in case that...

40 people are around a table,how many ways we can choose 5 person in case that between every 2 chosen person should be at least 3 people

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