Question

Tetrahedral pancake problem game.

score 51 · Answer 1 · 2026-04-10 05:49:23

51

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Tetrahedral pancake problem game.

Published on 10 Apr 2026 - 5:49

score 162 · Answer 2 · 2026-04-09 22:24:54

162

Views

Where to find hard logic problems

Published on 09 Apr 2026 - 22:24

score 50 · Answer 3 · 2026-04-13 18:58:04

50

Views

Does "$n$ related strategies such that at most one fails" imply a single strategy that fails with probability $\le 1/n$?

Published on 13 Apr 2026 - 18:58

score 408 · Answer 4 · 2026-03-25 19:06:05

408

Views

Number of Chess Games Possible: Parity Discussion

Published on 25 Mar 2026 - 19:06

score 273 · Answer 5 · 2026-04-17 06:36:20

273

Views

Gym Locker Combination Puzzle

Published on 17 Apr 2026 - 6:36

score 77 · Answer 6 · 2026-04-15 18:34:26

77

Views

How many times should I jump each day, before and after 9 PM, so I have the same number of jumps every day in both time zones (UTC and GMT -3)?

Published on 15 Apr 2026 - 18:34

score 126 · Answer 7 · 2026-04-16 13:11:33

126

Views

Find the max distance at least one of 6 cars can cover if each car can cover 1000km and cars can recharge each other's batteries

Published on 16 Apr 2026 - 13:11

score 1.3k · Answer 8 · 2026-04-13 15:32:29

1.3k

Views

Determining four rational numbers, given their pairwise sums

Published on 13 Apr 2026 - 15:32

score 177 · Answer 9 · 2026-04-14 09:23:44

177

Views

Prove if a rope takes 1 hour to burn, it takes 30 mins to burn if we light the both end of the rope simultaneously

Published on 14 Apr 2026 - 9:23

score 126 · Answer 10 · 2026-04-12 19:35:04

126

Views

Formal proof for an algorithmic problem of Alice and Bob

Published on 12 Apr 2026 - 19:35

score 204 · Answer 11 · 2026-04-09 02:45:32

204

Views

Airlines Frequency puzzle

Published on 09 Apr 2026 - 2:45

score 415 · Answer 12 · 2026-04-11 15:17:56

415

Views

Which number will replace the question mark in the following sequence of diagrams?

Published on 11 Apr 2026 - 15:17

score 230 · Answer 13 · 2026-04-16 00:21:32

230

Views

A candle burns for an hour, and $M$ burnt candles can make a new candle. For how long can $N$ candles keep the room lit?

Published on 16 Apr 2026 - 0:21

score 62 · Answer 14 · 2026-04-12 09:24:29

62

Views

Logical Puzzle - finding pattern

Published on 12 Apr 2026 - 9:24

score 140 · Answer 15 · 2026-04-15 16:12:43

140

Views

100 prisoners riddle - Dependency of probabilities

Published on 15 Apr 2026 - 16:12

List Question

Tetrahedral pancake problem game.

Where to find hard logic problems

Does "$n$ related strategies such that at most one fails" imply a single strategy that fails with probability $\le 1/n$?

Number of Chess Games Possible: Parity Discussion

Gym Locker Combination Puzzle

How many times should I jump each day, before and after 9 PM, so I have the same number of jumps every day in both time zones (UTC and GMT -3)?

Find the max distance at least one of 6 cars can cover if each car can cover 1000km and cars can recharge each other's batteries

Determining four rational numbers, given their pairwise sums

Prove if a rope takes 1 hour to burn, it takes 30 mins to burn if we light the both end of the rope simultaneously

Formal proof for an algorithmic problem of Alice and Bob

Airlines Frequency puzzle

Which number will replace the question mark in the following sequence of diagrams?

A candle burns for an hour, and $M$ burnt candles can make a new candle. For how long can $N$ candles keep the room lit?

Logical Puzzle - finding pattern

100 prisoners riddle - Dependency of probabilities

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