Question

Brouwer's fixed point theorem for permutations

score 129 · Answer 1 · 2018-10-01 02:07:13

129

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Brouwer's fixed point theorem for permutations

Published on 01 Oct 2018 - 2:07

score 474 · Answer 2 · 2026-03-28 07:36:49

474

Views

Distributing n labeled balls in m labeled boxes

Published on 28 Mar 2026 - 7:36

score 3.1k · Answer 3 · 2018-10-01 12:08:22

If no repetitions are allowed, how many 9-digit numbers can be formed from the digits 1, 2, 3, …, 9? How many of these are divisible by 4 ?

score 56 · Answer 4 · 2018-10-01 12:46:32

56

Views

Arranging $x_1,x_2,\dots x_{10},y_1,y_2,\dots y_{10}$ in such a way that they are ascending

Published on 01 Oct 2018 - 12:46

score 811 · Answer 5 · 2018-10-01 23:20:50

811

Views

A vowel at the beginning or the end of a string

Published on 01 Oct 2018 - 23:20

score 184 · Answer 6 · 2018-10-02 10:47:04

184

Views

In how many ways can $8$ LEGO pieces to two types be arranged in one row?

Published on 02 Oct 2018 - 10:47

score 3.2k · Answer 7 · 2018-10-02 14:15:30

3.2k

Views

How many 4 digit numbers can be formed from digits 0 to 9 without repetition which are divisible by 5?

Published on 02 Oct 2018 - 14:15

score 2k · Answer 8 · 2026-03-28 07:38:32

2k

Views

How many 3 -digit numbers can be formed from 0 to 8 whose sum is equal to 20 for repetition and non-repetition?

Published on 28 Mar 2026 - 7:38

score 359 · Answer 9 · 2018-10-02 21:27:30

359

Views

Four-letter words that can be formed from the letters of the word "facetious" without letter duplication

Published on 02 Oct 2018 - 21:27

score 36 · Answer 10 · 2026-03-25 03:02:15

36

Views

Proving a mapping T from d-dimensional R to d-dimensional R is Borel measurable.

Published on 25 Mar 2026 - 3:02

score 1.3k · Answer 11 · 2026-03-28 13:11:16

1.3k

Views

Left & Right Cosets of $A_{4}$ in $S_{4}$

Published on 28 Mar 2026 - 13:11

score 1.5k · Answer 12 · 2018-10-03 04:15:08

1.5k

Views

How many different playlists can you make if you allow repeated songs?

Published on 03 Oct 2018 - 4:15

score 71 · Answer 13 · 2018-10-03 04:30:30

How many permutations of {A, B, C, D, E, F, G, H, I} are there in which the first character is A, B, or C and the last character is G, H, or I?

score 38 · Answer 14 · 2026-03-28 07:36:39

38

Views

Arranging participants in a line

Published on 28 Mar 2026 - 7:36

score 177 · Answer 15 · 2026-03-28 07:41:33

177

Views

Combinatorics: Number of Integer Solutions for $x_1 + x_2 + x_3 + x_4 + x_5 + x_6 < 56$?

Published on 28 Mar 2026 - 7:41

List Question

Brouwer's fixed point theorem for permutations

Distributing n labeled balls in m labeled boxes

If no repetitions are allowed, how many 9-digit numbers can be formed from the digits 1, 2, 3, …, 9? How many of these are divisible by 4 ?

Arranging $x_1,x_2,\dots x_{10},y_1,y_2,\dots y_{10}$ in such a way that they are ascending

A vowel at the beginning or the end of a string

In how many ways can $8$ LEGO pieces to two types be arranged in one row?

How many 4 digit numbers can be formed from digits 0 to 9 without repetition which are divisible by 5?

How many 3 -digit numbers can be formed from 0 to 8 whose sum is equal to 20 for repetition and non-repetition?

Four-letter words that can be formed from the letters of the word "facetious" without letter duplication

Proving a mapping T from d-dimensional R to d-dimensional R is Borel measurable.

Left & Right Cosets of $A_{4}$ in $S_{4}$

How many different playlists can you make if you allow repeated songs?

How many permutations of {A, B, C, D, E, F, G, H, I} are there in which the first character is A, B, or C and the last character is G, H, or I?

Arranging participants in a line

Combinatorics: Number of Integer Solutions for $x_1 + x_2 + x_3 + x_4 + x_5 + x_6 < 56$?

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