Question

Grid of 3 columns. There are 6 different marbles.How many ways can the marbles can be placed in the grid such that no column is empty?

score 813 · Answer 1 · 2026-04-15 06:47:35

Grid of 3 columns. There are 6 different marbles.How many ways can the marbles can be placed in the grid such that no column is empty?

score 37 · Answer 2 · 2026-04-13 09:35:23

There are 13 apples, 2 pen, divided to four children(A,B,C,D) Everyone has at least one thing Q:How many method?

score 21.3k · Answer 3 · 2026-04-11 14:26:37

21.3k

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Difference between the principle of addition, the principle of multiplication, permutations and combinations

Published on 11 Apr 2026 - 14:26

score 26.4k · Answer 4 · 2026-04-12 18:24:28

26.4k

Views

How many positive integers less than 1,000,000 have the sum of their digits equal to 19?

Published on 12 Apr 2026 - 18:24

score 5.7k · Answer 5 · 2026-04-12 03:52:37

5.7k

Views

Number of ways in which $3$ people can be selected from $n$ people sitting in a row and if no two of them are consecutive

Published on 12 Apr 2026 - 3:52

score 83 · Answer 6 · 2026-04-13 11:03:54

83

Views

Showing that an action of a group on a set is proper

Published on 13 Apr 2026 - 11:03

score 106 · Answer 7 · 2026-03-25 12:33:49

106

Views

Prove the bijections between the following $(p,q,r)$-shuffles

Published on 25 Mar 2026 - 12:33

score 475 · Answer 8 · 2026-04-11 18:12:03

475

Views

Kernel of permutation representation

Published on 11 Apr 2026 - 18:12

score 2.1k · Answer 9 · 2026-04-12 04:29:38

2.1k

Views

Probability of selecting a passing student from a class

Published on 12 Apr 2026 - 4:29

score 1.8k · Answer 10 · 2026-04-15 20:54:28

1.8k

Views

How many natural numbers less than 1000 have the sum of their digits equal to 5? A.56 B.54 C.26 D.21 E.18

Published on 15 Apr 2026 - 20:54

score 64 · Answer 11 · 2026-04-10 06:05:49

64

Views

Please help to show the following identity

Published on 10 Apr 2026 - 6:05

score 404 · Answer 12 · 2026-04-14 21:04:30

404

Views

Possible isomorphisms between D2 and subgroups of S4

Published on 14 Apr 2026 - 21:04

score 275 · Answer 13 · 2026-04-10 19:26:38

275

Views

Changing the order of summation and integration

Published on 10 Apr 2026 - 19:26

score 157 · Answer 14 · 2026-04-15 23:31:41

157

Views

Find the number of 2's between 0 and n

Published on 15 Apr 2026 - 23:31

score 718 · Answer 15 · 2026-04-09 03:18:33

718

Views

Having a difficult time knowing permutation of combination with regard to questions

Published on 09 Apr 2026 - 3:18

List Question

Grid of 3 columns. There are 6 different marbles.How many ways can the marbles can be placed in the grid such that no column is empty?

There are 13 apples, 2 pen, divided to four children(A,B,C,D) Everyone has at least one thing Q:How many method?

Difference between the principle of addition, the principle of multiplication, permutations and combinations

How many positive integers less than 1,000,000 have the sum of their digits equal to 19?

Number of ways in which $3$ people can be selected from $n$ people sitting in a row and if no two of them are consecutive

Showing that an action of a group on a set is proper

Prove the bijections between the following $(p,q,r)$-shuffles

Kernel of permutation representation

Probability of selecting a passing student from a class

How many natural numbers less than 1000 have the sum of their digits equal to 5? A.56 B.54 C.26 D.21 E.18

Please help to show the following identity

Possible isomorphisms between D2 and subgroups of S4

Changing the order of summation and integration

Find the number of 2's between 0 and n

Having a difficult time knowing permutation of combination with regard to questions

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