Question

How many ways can $4$ marbles selected from $2$ black and $4$ white marbles be arranged in a row?

score 323 · Answer 1 · 2026-03-26 18:50:42

323

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How many ways can $4$ marbles selected from $2$ black and $4$ white marbles be arranged in a row?

Published on 26 Mar 2026 - 18:50

score 971 · Answer 2 · 2026-04-01 11:01:07

971

Views

Distribution problem with balloons and people

Published on 01 Apr 2026 - 11:01

score 175 · Answer 3 · 2026-03-26 18:49:14

175

Views

Counting Methods Problem { Combinations }

Published on 26 Mar 2026 - 18:49

score 42 · Answer 4 · 2018-02-03 23:54:14

42

Views

Moving exactly 7 blocks from A to B.

Published on 03 Feb 2018 - 23:54

score 65 · Answer 5 · 2018-02-03 23:56:28

65

Views

Why 3 factorial is there?

Published on 03 Feb 2018 - 23:56

score 138 · Answer 6 · 2026-03-31 20:10:04

138

Views

The number of, and an enumeration for, the set of full subtrees of the full complete binary tree

Published on 31 Mar 2026 - 20:10

score 60 · Answer 7 · 2018-02-04 00:32:03

How many ways can $N$ different people select from $k$ different options such that no two people select the same option and $k>N$?

score 41 · Answer 8 · 2026-04-01 10:19:08

41

Views

Asymptotic behavior of the number of ways a real plane curve of degree $n$ can intersect a real line

Published on 01 Apr 2026 - 10:19

score 283 · Answer 9 · 2026-03-26 23:30:35

283

Views

Brute force circle problem

Published on 26 Mar 2026 - 23:30

score 883 · Answer 10 · 2018-02-04 05:52:45

883

Views

Two approaches yield different results

Published on 04 Feb 2018 - 5:52

score 1.9k · Answer 11 · 2018-02-04 12:46:01

1.9k

Views

Find the no. of ways to color the matrix..

Published on 04 Feb 2018 - 12:46

score 106 · Answer 12 · 2018-02-04 14:24:21

In how many ways can the ball can be returned back to player $A$ if no player can receive the ball more than $2$ times?

score 255 · Answer 13 · 2026-03-25 14:26:52

255

Views

What is probability that a line joining two randomly selected coordinates from set form an angle $45°$ with one of axes?

Published on 25 Mar 2026 - 14:26

score 4.8k · Answer 14 · 2026-03-27 01:27:36

4.8k

Views

Stars and bars with constraints

Published on 27 Mar 2026 - 1:27

score 108 · Answer 15 · 2026-03-25 06:24:33

108

Views

Find number of ordered sets

Published on 25 Mar 2026 - 6:24

List Question

How many ways can $4$ marbles selected from $2$ black and $4$ white marbles be arranged in a row?

Distribution problem with balloons and people

Counting Methods Problem { Combinations }

Moving exactly 7 blocks from A to B.

Why 3 factorial is there?

The number of, and an enumeration for, the set of full subtrees of the full complete binary tree

How many ways can $N$ different people select from $k$ different options such that no two people select the same option and $k>N$?

Asymptotic behavior of the number of ways a real plane curve of degree $n$ can intersect a real line

Brute force circle problem

Two approaches yield different results

Find the no. of ways to color the matrix..

In how many ways can the ball can be returned back to player $A$ if no player can receive the ball more than $2$ times?

What is probability that a line joining two randomly selected coordinates from set form an angle $45°$ with one of axes?

Stars and bars with constraints

Find number of ordered sets

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