Question

Prove: In a finite geometry, if a line has $n$ points, then the total number of points is $n^2 - n + 1$.

score 761 · Answer 1 · 2026-04-20 11:54:50

761

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Prove: In a finite geometry, if a line has $n$ points, then the total number of points is $n^2 - n + 1$.

Published on 20 Apr 2026 - 11:54

score 14.3k · Answer 2 · 2026-04-22 07:29:49

14.3k

Views

The number of bottles of beer one can buy with $10, after exchanging bottles and caps

Published on 22 Apr 2026 - 7:29

score 447 · Answer 3 · 2026-04-13 17:43:54

447

Views

Logic - truth and lies in a circular table.

Published on 13 Apr 2026 - 17:43

score 108 · Answer 4 · 2015-11-06 13:48:28

108

Views

Ball Colouring problem clarification

Published on 06 Nov 2015 - 13:48

score 449 · Answer 5 · 2026-03-30 11:03:41

449

Views

A Mathematical Riddle of Averages

Published on 30 Mar 2026 - 11:03

score 82 · Answer 6 · 2026-04-17 04:59:32

82

Views

How many different arrangement are there for $14-15$ puzzle, so that it become impossible to solve?

Published on 17 Apr 2026 - 4:59

score 127 · Answer 7 · 2026-03-29 02:36:11

127

Views

A paradox I came up with, proof verification.

Published on 29 Mar 2026 - 2:36

score 2.6k · Answer 8 · 2026-04-13 16:29:06

2.6k

Views

Determine Fastest 3 horses out of 125 when only 5 racing track are given without using stopwatch?

Published on 13 Apr 2026 - 16:29

score 432 · Answer 9 · 2026-03-10 13:04:49

432

Views

what is the minimum surface area shape required in order to contain a 1 meter line at all angles

Published on 10 Mar 2026 - 13:04

score 2.6k · Answer 10 · 2026-04-13 23:50:31

2.6k

Views

Series of numbers that are divided by 3

Published on 13 Apr 2026 - 23:50

score 1.5k · Answer 11 · 2026-04-22 12:09:33

1.5k

Views

Identifying 2 poisoned wines out of 2^n wines

Published on 22 Apr 2026 - 12:09

score 148 · Answer 12 · 2026-04-12 15:21:42

148

Views

Choosing a menu for a dinner party

Published on 12 Apr 2026 - 15:21

score 935 · Answer 13 · 2026-04-14 09:15:00

935

Views

Probability: finding the minimum draws required.

Published on 14 Apr 2026 - 9:15

score 120 · Answer 14 · 2026-03-29 15:15:20

120

Views

Clash of Clans. What's the total time to train?

Published on 29 Mar 2026 - 15:15

score 397 · Answer 15 · 2026-04-01 00:55:51

397

Views

Colour of bear in Earth's surface

Published on 01 Apr 2026 - 0:55

List Question

Prove: In a finite geometry, if a line has $n$ points, then the total number of points is $n^2 - n + 1$.

The number of bottles of beer one can buy with $10, after exchanging bottles and caps

Logic - truth and lies in a circular table.

Ball Colouring problem clarification

A Mathematical Riddle of Averages

How many different arrangement are there for $14-15$ puzzle, so that it become impossible to solve?

A paradox I came up with, proof verification.

Determine Fastest 3 horses out of 125 when only 5 racing track are given without using stopwatch?

what is the minimum surface area shape required in order to contain a 1 meter line at all angles

Series of numbers that are divided by 3

Identifying 2 poisoned wines out of 2^n wines

Choosing a menu for a dinner party

Probability: finding the minimum draws required.

Clash of Clans. What's the total time to train?

Colour of bear in Earth's surface

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