Question

What is the probability that third shot is also worse than first shot in following archery game?

score 136 · Answer 1 · 2026-04-15 03:47:02

136

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What is the probability that third shot is also worse than first shot in following archery game?

Published on 15 Apr 2026 - 3:47

score 411 · Answer 2 · 2026-03-25 22:04:22

411

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Shortest time for passing the bridge $t(t_1,t_2,t_3,\dots;\text{Max},\text{Min})$

Published on 25 Mar 2026 - 22:04

score 134 · Answer 3 · 2026-04-16 13:24:06

134

Views

Is there an infinite sequence of complex numbers $a_1, a_2, a_3, \ldots$ such that $a_1^m + a_2^m + a_3^m + \ldots = m$ for every positive integer m?

Published on 16 Apr 2026 - 13:24

score 78 · Answer 4 · 2026-04-10 23:47:09

78

Views

How to fill up with numbers a $3 \times 3$ square with almost no information given?

Published on 10 Apr 2026 - 23:47

score 119 · Answer 5 · 2026-04-09 17:58:12

119

Views

Travelling Salesman Problem - how to drop workers off?

Published on 09 Apr 2026 - 17:58

score 286 · Answer 6 · 2026-04-11 21:43:38

286

Views

Is there a name for this apparent paradox?

Published on 11 Apr 2026 - 21:43

score 50 · Answer 7 · 2026-03-26 20:36:46

50

Views

Find current checkpoint on route

Published on 26 Mar 2026 - 20:36

score 129 · Answer 8 · 2026-04-14 17:08:05

129

Views

If people sharing the same birthday raise their hand, how many hands do you expect to see raised?

Published on 14 Apr 2026 - 17:08

score 155 · Answer 9 · 2026-04-14 08:38:31

155

Views

Solving a "twisty puzzle" on $S_{20}$

Published on 14 Apr 2026 - 8:38

score 1k · Answer 10 · 2026-03-25 20:41:30

1k

Views

3blue1brown level for Devil's Calculator

Published on 25 Mar 2026 - 20:41

score 72 · Answer 11 · 2026-04-13 12:23:17

72

Views

What is the probability that, after 50 days, every person has their own hat back?

Published on 13 Apr 2026 - 12:23

score 87 · Answer 12 · 2026-04-14 02:11:48

87

Views

Person A and Person B communicate to figure out the numbers

Published on 14 Apr 2026 - 2:11

score 87 · Answer 13 · 2026-04-10 01:35:19

87

Views

Logic riddle about pizza.

Published on 10 Apr 2026 - 1:35

score 127 · Answer 14 · 2026-04-17 00:04:38

127

Views

$16$ people around a round table

Published on 17 Apr 2026 - 0:04

score 78 · Answer 15 · 2026-03-26 01:27:39

78

Views

A maths puzzle about fractions from a programming contest

Published on 26 Mar 2026 - 1:27

List Question

What is the probability that third shot is also worse than first shot in following archery game?

Shortest time for passing the bridge $t(t_1,t_2,t_3,\dots;\text{Max},\text{Min})$

Is there an infinite sequence of complex numbers $a_1, a_2, a_3, \ldots$ such that $a_1^m + a_2^m + a_3^m + \ldots = m$ for every positive integer m?

How to fill up with numbers a $3 \times 3$ square with almost no information given?

Travelling Salesman Problem - how to drop workers off?

Is there a name for this apparent paradox?

Find current checkpoint on route

If people sharing the same birthday raise their hand, how many hands do you expect to see raised?

Solving a "twisty puzzle" on $S_{20}$

3blue1brown level for Devil's Calculator

What is the probability that, after 50 days, every person has their own hat back?

Person A and Person B communicate to figure out the numbers

Logic riddle about pizza.

$16$ people around a round table

A maths puzzle about fractions from a programming contest

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