Question

Number of distinct arrangements of the word $\text{MATHEMATICS}$

score 139 · Answer 1 · 2019-05-26 14:51:02

139

Views

Number of distinct arrangements of the word $\text{MATHEMATICS}$

Published on 26 May 2019 - 14:51

score 222 · Answer 2 · 2019-05-26 15:20:29

222

Views

Find the probability that no two among $A$, $B$, and $C$ are together when $12$ people are arranged in a circle

Published on 26 May 2019 - 15:20

score 66 · Answer 3 · 2026-03-25 14:06:25

66

Views

With $G=S_{5}$ acting on $X$ by conjugation, prove $|X|=10$.

Published on 25 Mar 2026 - 14:06

score 62 · Answer 4 · 2026-03-25 19:03:39

62

Views

How to know if an automorphism is induced by the normalizer

Published on 25 Mar 2026 - 19:03

score 259 · Answer 5 · 2019-05-26 22:31:58

259

Views

Number of elements in the set of invertible lower triangular matrices over a finite field

Published on 26 May 2019 - 22:31

score 3.6k · Answer 6 · 2019-05-27 05:23:00

3.6k

Views

Permutations of the word $\text{TRIANGLE}$ with no vowels together.

Published on 27 May 2019 - 5:23

score 178 · Answer 7 · 2026-03-30 15:16:30

178

Views

In concert there are 20 singers will perform. For each singer there is a set of other singers that he wishes to perform after them..

Published on 30 Mar 2026 - 15:16

score 45 · Answer 8 · 2019-05-27 09:36:24

45

Views

Permutations problem.

Published on 27 May 2019 - 9:36

score 91 · Answer 9 · 2026-03-26 22:58:20

91

Views

Show that if $G \leq S_{n} $ has $r$ orbits when acting on $ \{ 1 , \dots , n \} $, then it is generated by at most $n - r $ elements.

Published on 26 Mar 2026 - 22:58

score 1.3k · Answer 10 · 2019-05-27 10:02:48

1.3k

Views

How many distinct arrangements of the letters in the word 'Mississippi' have no S's in the first six places?

Published on 27 May 2019 - 10:02

score 334 · Answer 11 · 2019-05-27 20:06:20

334

Views

$\pi$ permutation decomposed in $k$ disjoint cycles of length $n-1, \dots, n_k$. Find the order of $\pi$

Published on 27 May 2019 - 20:06

score 2.1k · Answer 12 · 2019-05-27 21:59:13

2.1k

Views

Find the numbers greater than 23000 that can be formed from the digits 1,2,3,5,6 without repeating any digits

Published on 27 May 2019 - 21:59

score 131 · Answer 13 · 2019-05-28 10:33:38

131

Views

Why do multiplying different groups together give combinations?

Published on 28 May 2019 - 10:33

score 209 · Answer 14 · 2019-05-28 13:41:25

209

Views

Overlap among binary sequences

Published on 28 May 2019 - 13:41

score 167 · Answer 15 · 2019-05-28 14:54:18

167

Views

How many distinct arrangements of the letters in HEELLOOP are there in which the first two letters include a H or a P (or both)?

Published on 28 May 2019 - 14:54

List Question

Number of distinct arrangements of the word $\text{MATHEMATICS}$

Find the probability that no two among $A$, $B$, and $C$ are together when $12$ people are arranged in a circle

With $G=S_{5}$ acting on $X$ by conjugation, prove $|X|=10$.

How to know if an automorphism is induced by the normalizer

Number of elements in the set of invertible lower triangular matrices over a finite field

Permutations of the word $\text{TRIANGLE}$ with no vowels together.

In concert there are 20 singers will perform. For each singer there is a set of other singers that he wishes to perform after them..

Permutations problem.

Show that if $G \leq S_{n} $ has $r$ orbits when acting on $ \{ 1 , \dots , n \} $, then it is generated by at most $n - r $ elements.

How many distinct arrangements of the letters in the word 'Mississippi' have no S's in the first six places?

$\pi$ permutation decomposed in $k$ disjoint cycles of length $n-1, \dots, n_k$. Find the order of $\pi$

Find the numbers greater than 23000 that can be formed from the digits 1,2,3,5,6 without repeating any digits

Why do multiplying different groups together give combinations?

Overlap among binary sequences

How many distinct arrangements of the letters in HEELLOOP are there in which the first two letters include a H or a P (or both)?

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