Question

Permutations and Combinations in arranging letters

score 206 · Answer 1 · 2026-04-11 12:24:45

206

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Permutations and Combinations in arranging letters

Published on 11 Apr 2026 - 12:24

score 58 · Answer 2 · 2026-04-11 11:28:25

58

Views

How do fixed positions in combinatorics affect the number of arrangements?

Published on 11 Apr 2026 - 11:28

score 5.2k · Answer 3 · 2026-04-16 13:47:28

5.2k

Views

How many ways to arrange ABCD such that A precedes B, and C precedes D

Published on 16 Apr 2026 - 13:47

score 2k · Answer 4 · 2026-04-14 22:33:53

2k

Views

Permutation and combinations no of 6 digit numbers

Published on 14 Apr 2026 - 22:33

score 176 · Answer 5 · 2026-04-17 06:59:50

176

Views

Let $\alpha$ (known), $\beta$ be permutations in $S_9$. Find $\beta$ such that $\alpha = \beta\alpha\beta^{-1}$

Published on 17 Apr 2026 - 6:59

score 1.5k · Answer 6 · 2026-04-14 10:23:22

1.5k

Views

How many 19-bit strings can be generated from having an even number of ones?

Published on 14 Apr 2026 - 10:23

score 4.9k · Answer 7 · 2026-04-15 06:17:10

4.9k

Views

If one egg is found to be good, then what is the probability that other is also good?

Published on 15 Apr 2026 - 6:17

score 75 · Answer 8 · 2026-04-14 02:48:20

75

Views

Select $k$ items from $n$ such that every item can occur in the combination for at most $k$ times.

Published on 14 Apr 2026 - 2:48

score 97 · Answer 9 · 2026-04-16 13:47:01

97

Views

Show that there exist a positive integer $M>1$

Published on 16 Apr 2026 - 13:47

score 56 · Answer 10 · 2026-03-25 04:40:23

56

Views

Stabilisers in non-abelian $p$-groups are contained in non-transitive maximal abelian subgroups?

Published on 25 Mar 2026 - 4:40

score 797 · Answer 11 · 2026-04-16 11:33:13

797

Views

How many $5$ letter words that use letters from the $3$ letter set ${a,b,c}$ in which each letter occurs at least once?

Published on 16 Apr 2026 - 11:33

score 81 · Answer 12 · 2026-04-11 06:05:35

81

Views

problem regarding permutation.

Published on 11 Apr 2026 - 6:05

score 457 · Answer 13 · 2026-04-14 09:10:26

457

Views

Permutations-prove that the sign of a composition is the product of the signs

Published on 14 Apr 2026 - 9:10

score 397 · Answer 14 · 2026-04-10 15:34:24

397

Views

In how many ways can we put $31$ people in $3$ rooms?

Published on 10 Apr 2026 - 15:34

score 275 · Answer 15 · 2026-04-13 20:21:11

What is the number of ways letters in the word KOMBINATOORIKA can be rearranged, such that no two consecutive letters are the same

List Question

Permutations and Combinations in arranging letters

How do fixed positions in combinatorics affect the number of arrangements?

How many ways to arrange ABCD such that A precedes B, and C precedes D

Permutation and combinations no of 6 digit numbers

Let $\alpha$ (known), $\beta$ be permutations in $S_9$. Find $\beta$ such that $\alpha = \beta\alpha\beta^{-1}$

How many 19-bit strings can be generated from having an even number of ones?

If one egg is found to be good, then what is the probability that other is also good?

Select $k$ items from $n$ such that every item can occur in the combination for at most $k$ times.

Show that there exist a positive integer $M>1$

Stabilisers in non-abelian $p$-groups are contained in non-transitive maximal abelian subgroups?

How many $5$ letter words that use letters from the $3$ letter set ${a,b,c}$ in which each letter occurs at least once?

problem regarding permutation.

Permutations-prove that the sign of a composition is the product of the signs

In how many ways can we put $31$ people in $3$ rooms?

What is the number of ways letters in the word KOMBINATOORIKA can be rearranged, such that no two consecutive letters are the same

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