Question

A modified problem of finding the heaviest ball

score 176 · Answer 1 · 2026-04-12 23:20:59

176

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A modified problem of finding the heaviest ball

Published on 12 Apr 2026 - 23:20

score 100 · Answer 2 · 2026-04-08 22:15:24

100

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What is the sharpest possible matrix?

Published on 08 Apr 2026 - 22:15

score 68 · Answer 3 · 2026-04-11 13:24:19

68

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An interesting feature of $857142$

Published on 11 Apr 2026 - 13:24

score 177 · Answer 4 · 2026-04-16 10:24:04

177

Views

How many distinct quadrilaterals can you draw inside a square of side length $4$?

Published on 16 Apr 2026 - 10:24

score 139 · Answer 5 · 2026-04-14 04:23:47

139

Views

A rectangle inside a circular sector of an acute angle

Published on 14 Apr 2026 - 4:23

score 392 · Answer 6 · 2026-04-10 09:52:31

392

Views

How would this fly/bicycle question be solved using calculus?

Published on 10 Apr 2026 - 9:52

score 89 · Answer 7 · 2026-04-12 12:49:30

89

Views

First level 4-digit numbers (Kaprekar connection)

Published on 12 Apr 2026 - 12:49

score 483 · Answer 8 · 2026-04-17 10:51:39

483

Views

If $11+11=4$ and $22+22=16$, then $33+33=\text{???}$ (Facebook math quiz)

Published on 17 Apr 2026 - 10:51

score 451 · Answer 9 · 2026-03-28 15:20:12

451

Views

A walk into the desert and back - have some hard-won answers but can't see the pattern

Published on 28 Mar 2026 - 15:20

score 779 · Answer 10 · 2026-03-28 15:26:05

779

Views

Ratio of area covered by four equilateral triangles in a rectangle

Published on 28 Mar 2026 - 15:26

score 84 · Answer 11 · 2026-04-14 07:06:50

84

Views

What is the minimum number of doors to a laboratory that would satisfy these conditions?

Published on 14 Apr 2026 - 7:06

score 400 · Answer 12 · 2026-04-15 19:37:37

400

Views

Smallest subset of integers that you can use to produce 1,2,....,40

Published on 15 Apr 2026 - 19:37

score 413 · Answer 13 · 2026-04-16 01:11:45

413

Views

A square is cut into three equal area regions by two parallel lines find area of square.

Published on 16 Apr 2026 - 1:11

score 95 · Answer 14 · 2026-04-15 12:36:53

95

Views

Given $K * N$ grid such that $L$ spots on the grid are filled, what is the expected number of columns with at least one spot filled?

Published on 15 Apr 2026 - 12:36

score 805 · Answer 15 · 2026-04-12 19:14:47

805

Views

In a row of $40$ kids, $22$ are sitting next to girls and $30$ are sitting next to boys. How many girls are there?

Published on 12 Apr 2026 - 19:14

List Question

A modified problem of finding the heaviest ball

What is the sharpest possible matrix?

An interesting feature of $857142$

How many distinct quadrilaterals can you draw inside a square of side length $4$?

A rectangle inside a circular sector of an acute angle

How would this fly/bicycle question be solved using calculus?

First level 4-digit numbers (Kaprekar connection)

If $11+11=4$ and $22+22=16$, then $33+33=\text{???}$ (Facebook math quiz)

A walk into the desert and back - have some hard-won answers but can't see the pattern

Ratio of area covered by four equilateral triangles in a rectangle

What is the minimum number of doors to a laboratory that would satisfy these conditions?

Smallest subset of integers that you can use to produce 1,2,....,40

A square is cut into three equal area regions by two parallel lines find area of square.

Given $K * N$ grid such that $L$ spots on the grid are filled, what is the expected number of columns with at least one spot filled?

In a row of $40$ kids, $22$ are sitting next to girls and $30$ are sitting next to boys. How many girls are there?

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