Question

How many configurations of two pairs can there be in a single poker hand?

score 33 · Answer 1 · 2026-04-16 13:46:06

33

Views

How many configurations of two pairs can there be in a single poker hand?

Published on 16 Apr 2026 - 13:46

score 113 · Answer 2 · 2026-04-13 02:42:03

113

Views

GRE probability - number of ways to select numbers in a range

Published on 13 Apr 2026 - 2:42

score 125 · Answer 3 · 2026-05-03 13:08:39

125

Views

finding minimum number $k$-subsets containing all pairs of elements of $[n] := \{1, 2, 3, \ldots, n\}$

Published on 03 May 2026 - 13:08

score 109 · Answer 4 · 2026-05-05 17:53:41

109

Views

how many numbers in (not-strictly) descending order of string length k

Published on 05 May 2026 - 17:53

score 56 · Answer 5 · 2026-04-22 16:16:03

56

Views

Distribution of $10$ unique coins

Published on 22 Apr 2026 - 16:16

score 46 · Answer 6 · 2026-04-14 22:26:54

46

Views

Number of ways a set of nucleotides can be arranged (example from textbook)

Published on 14 Apr 2026 - 22:26

score 42 · Answer 7 · 2026-04-11 14:06:47

42

Views

Combinations over permutations and vice-versa?

Published on 11 Apr 2026 - 14:06

score 1k · Answer 8 · 2026-04-14 12:41:35

1k

Views

How many ways are there for 50 people to divide them into three groups, A, B and C such that each consists of 20, 18, and 12, respectively?

Published on 14 Apr 2026 - 12:41

score 759 · Answer 9 · 2026-04-13 20:27:19

759

Views

Rising Factorial and Stirling number of the 1st kind

Published on 13 Apr 2026 - 20:27

score 1.8k · Answer 10 · 2026-04-12 11:43:27

1.8k

Views

Inclusion/exclusion, at least and exactly arrangements?

Published on 12 Apr 2026 - 11:43

score 258 · Answer 11 · 2026-04-14 11:53:30

258

Views

In how many different ways can we choose $12$ cans of soup if there are $5$ different varieties available?

Published on 14 Apr 2026 - 11:53

score 4.5k · Answer 12 · 2026-04-15 17:24:26

4.5k

Views

From digits {0, 1, 2, 3, 4, 5, 6}, how many four-digit even numbers with distinct digits can be constructed?

Published on 15 Apr 2026 - 17:24

score 42 · Answer 13 · 2026-04-12 22:42:50

42

Views

General Formula for Number of Surjective mappings from the set $A$ to a set $B$.

Published on 12 Apr 2026 - 22:42

score 176 · Answer 14 · 2026-04-17 01:06:05

176

Views

A polytree game.

Published on 17 Apr 2026 - 1:06

score 214 · Answer 15 · 2026-04-10 20:28:25

214

Views

Arranging numbers for a given sum

Published on 10 Apr 2026 - 20:28

List Question

How many configurations of two pairs can there be in a single poker hand?

GRE probability - number of ways to select numbers in a range

finding minimum number $k$-subsets containing all pairs of elements of $[n] := \{1, 2, 3, \ldots, n\}$

how many numbers in (not-strictly) descending order of string length k

Distribution of $10$ unique coins

Number of ways a set of nucleotides can be arranged (example from textbook)

Combinations over permutations and vice-versa?

How many ways are there for 50 people to divide them into three groups, A, B and C such that each consists of 20, 18, and 12, respectively?

Rising Factorial and Stirling number of the 1st kind

Inclusion/exclusion, at least and exactly arrangements?

In how many different ways can we choose $12$ cans of soup if there are $5$ different varieties available?

From digits {0, 1, 2, 3, 4, 5, 6}, how many four-digit even numbers with distinct digits can be constructed?

General Formula for Number of Surjective mappings from the set $A$ to a set $B$.

A polytree game.

Arranging numbers for a given sum

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