Question

In how many distinguishable ways can the yogurts be stored in the box?

score 59 · Answer 1 · 2026-04-11 21:27:57

59

Views

In how many distinguishable ways can the yogurts be stored in the box?

Published on 11 Apr 2026 - 21:27

score 234 · Answer 2 · 2026-04-11 16:10:19

234

Views

Putting apples, pears and oranges into a box (combinatorics?)

Published on 11 Apr 2026 - 16:10

score 63 · Answer 3 · 2026-04-12 04:28:37

63

Views

How to solve multiplication of $3$ generating functions?

Published on 12 Apr 2026 - 4:28

score 121 · Answer 4 · 2026-04-01 22:35:11

121

Views

Extremal set theory on Sperner like systems.

Published on 01 Apr 2026 - 22:35

score 739 · Answer 5 · 2026-04-06 19:19:21

739

Views

A conference uses $4$ main languages. Prove that there is a language that at least $\dfrac{3}{5}$ of the delegates know.

Published on 06 Apr 2026 - 19:19

score 67 · Answer 6 · 2026-04-11 13:13:38

67

Views

2 counting questions after exam

Published on 11 Apr 2026 - 13:13

score 141 · Answer 7 · 2026-04-10 22:23:08

141

Views

Number of ways to choose mathematicians and computer scientists for a team

Published on 10 Apr 2026 - 22:23

score 4.2k · Answer 8 · 2026-04-10 19:58:39

4.2k

Views

In how many distinguishable ways can the letters $A$ $A$ $B$ $B$ $C$ $C$ be arranged up to rotation?

Published on 10 Apr 2026 - 19:58

score 79 · Answer 9 · 2018-05-15 18:55:19

79

Views

How many choices do we have, When in our choices are not two members of a family.?

Published on 15 May 2018 - 18:55

score 105 · Answer 10 · 2026-03-26 08:00:32

105

Views

prove $\sum_{r=1}^{n-1}(n-r)^2\binom{n-1}{n-r}=n(n-1)2^{n-3}$

Published on 26 Mar 2026 - 8:00

score 44 · Answer 11 · 2026-03-25 03:00:44

44

Views

On sums over non-symmetric sets

Published on 25 Mar 2026 - 3:00

score 50 · Answer 12 · 2026-04-11 01:57:24

50

Views

Creating Odd Permutations By Permuting Bits

Published on 11 Apr 2026 - 1:57

score 225 · Answer 13 · 2026-03-27 15:18:10

225

Views

How to generate all graphs on $n$ vertices including a given subgraph?

Published on 27 Mar 2026 - 15:18

score 219 · Answer 14 · 2026-03-25 12:49:45

219

Views

In 1990 people, each one is connected to at least 1327 others, then there is a fully-connected 4-group of people

Published on 25 Mar 2026 - 12:49

score 455 · Answer 15 · 2018-05-16 08:14:31

In a class of 400 students, 180 read English, 371 read Sanskrit, 270 read Hindi, at least how many students read all the three?

List Question

In how many distinguishable ways can the yogurts be stored in the box?

Putting apples, pears and oranges into a box (combinatorics?)

How to solve multiplication of $3$ generating functions?

Extremal set theory on Sperner like systems.

A conference uses $4$ main languages. Prove that there is a language that at least $\dfrac{3}{5}$ of the delegates know.

2 counting questions after exam

Number of ways to choose mathematicians and computer scientists for a team

In how many distinguishable ways can the letters $A$ $A$ $B$ $B$ $C$ $C$ be arranged up to rotation?

How many choices do we have, When in our choices are not two members of a family.?

prove $\sum_{r=1}^{n-1}(n-r)^2\binom{n-1}{n-r}=n(n-1)2^{n-3}$

On sums over non-symmetric sets

Creating Odd Permutations By Permuting Bits

How to generate all graphs on $n$ vertices including a given subgraph?

In 1990 people, each one is connected to at least 1327 others, then there is a fully-connected 4-group of people

In a class of 400 students, 180 read English, 371 read Sanskrit, 270 read Hindi, at least how many students read all the three?

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