Question

Distribution of points on a 5 x 6 rectangle

score 239 · Answer 1 · 2026-03-29 05:35:18

239

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Distribution of points on a 5 x 6 rectangle

Published on 29 Mar 2026 - 5:35

score 157 · Answer 2 · 2026-03-25 17:21:30

157

Views

Distribution of number of clusters after randomly choosing a subset of points

Published on 25 Mar 2026 - 17:21

score 113 · Answer 3 · 2026-04-12 14:51:15

113

Views

$n$ numbers of $\pm1$ of a circle. minimal value of sum of all products of 6 consecutive numbers

Published on 12 Apr 2026 - 14:51

score 1.1k · Answer 4 · 2026-04-10 19:09:11

1.1k

Views

Is it possible to swap only two elements on a 3x3 grid by swapping rows and columns?

Published on 10 Apr 2026 - 19:09

score 93 · Answer 5 · 2026-04-08 21:45:16

93

Views

Apples Across a Bridge (word problem)

Published on 08 Apr 2026 - 21:45

score 64 · Answer 6 · 2026-04-17 13:49:46

64

Views

Expected number of days until plan succeeds

Published on 17 Apr 2026 - 13:49

score 70 · Answer 7 · 2026-04-16 20:58:20

70

Views

Find $a$ such that $\int_{-\infty}^\infty a^{x^2}dx=\int_{-\infty}^\infty\int_{-\infty}^\infty a^{x^2+y^2}dxdy=\cdots$

Published on 16 Apr 2026 - 20:58

score 102 · Answer 8 · 2026-04-14 15:09:40

102

Views

Suppose a two digit whole number is divided by the sum of its digits, largest and smallest possible values

Published on 14 Apr 2026 - 15:09

score 276 · Answer 9 · 2026-04-16 13:57:00

276

Views

Solving a riddle with Markov chains - extracting pairs of socks

Published on 16 Apr 2026 - 13:57

score 33 · Answer 10 · 2026-04-13 05:56:19

33

Views

Edge cube is colored

Published on 13 Apr 2026 - 5:56

score 101 · Answer 11 · 2026-04-15 06:45:33

Two sparrows fly to the point halfway between their nests. In a head/tailwind, one arrives a minute later than the other.

score 87 · Answer 12 · 2026-04-14 16:13:10

87

Views

Some frogs form $2^{n-1}-1$ groups of $n$ frogs. If any frog can belong to multiple groups, prove the following

Published on 14 Apr 2026 - 16:13

score 545 · Answer 13 · 2026-04-13 22:38:45

545

Views

What is the probability that the witches will meet at the coffee shop?

Published on 13 Apr 2026 - 22:38

score 55 · Answer 14 · 2026-04-16 14:52:53

55

Views

Representing classes of objects and type with number so they can be dismantled

Published on 16 Apr 2026 - 14:52

score 1.5k · Answer 15 · 2026-04-16 06:26:44

1.5k

Views

What is the probability that the ratio p/q lies between 1 & 2?

Published on 16 Apr 2026 - 6:26

List Question

Distribution of points on a 5 x 6 rectangle

Distribution of number of clusters after randomly choosing a subset of points

$n$ numbers of $\pm1$ of a circle. minimal value of sum of all products of 6 consecutive numbers

Is it possible to swap only two elements on a 3x3 grid by swapping rows and columns?

Apples Across a Bridge (word problem)

Expected number of days until plan succeeds

Find $a$ such that $\int_{-\infty}^\infty a^{x^2}dx=\int_{-\infty}^\infty\int_{-\infty}^\infty a^{x^2+y^2}dxdy=\cdots$

Suppose a two digit whole number is divided by the sum of its digits, largest and smallest possible values

Solving a riddle with Markov chains - extracting pairs of socks

Edge cube is colored

Two sparrows fly to the point halfway between their nests. In a head/tailwind, one arrives a minute later than the other.

Some frogs form $2^{n-1}-1$ groups of $n$ frogs. If any frog can belong to multiple groups, prove the following

What is the probability that the witches will meet at the coffee shop?

Representing classes of objects and type with number so they can be dismantled

What is the probability that the ratio p/q lies between 1 & 2?

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