Puzzling Stack Exchange
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1500 questions
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1 answer

The Comforting Death Message

Linda sadly passes away in a stampede of elephants and when she reaches St. Peter, she is distressed because she doesn't think she'll be buried properly on the family grave plot and having to listen to her mother complain about her not being buried…
JamesENL
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4 answers

They've Noticed Your Puzzling Prowess

They came to your home in the early hours and whisked you away. The four by four's windows were completely blacked out but the agents seemed amicable enough, albeit fairly taciturn. After a while you felt like you would have started to doze had it…
Jonathan Allan
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2 answers

What's "gopher wood"?

Originally published by me on the internet ca. 2003. No trace left on Google, so you get a clean slate. Drenched with sweat from hard labor in the field, Noah loosened his girdle and complained, "I'm hungry! What's for dinner? Oh God, my aching…
Juan Tomas
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2 answers

I never live on land - What am I?

You'll often find me in a book You can catch me if you can hook And smoke me red. If you follow me, you will be a lost boy. I like to tinker with your attention, ahoy I never live on land. What am I?
hypern
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30
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12 answers

Correct way to add 22 to 4 to get given value

I was asked this logic puzzle in an interview. Tell me a correct way by which adding 22 to 4 will give 2. I asked interviewer what is the base of those numbers. He told that those are decimal numbers. I thought about it a lot, but could not find…
A J
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11 answers

My strange hotel room neighbours

Last summer, I spent a week of my holiday in a hotel in a small resort town close to the sea. In the room next to mine stayed a family - the parents and two children of elementary school age - who looked a bit stressed, especially the parents, but…
cpj
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1 answer

Where is detective Tom hiding?

Two detectives - Tom and Mark, are solving a murder mystery. They suspect that the murderer (or rather, the one who ordered the murder) is a very popular politician, Sean. So, they are secretly investigating the case. One day, Mark receives this SMS…
dryairship
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3 answers

I feel no pain, yet silently shriek

I feel no pain Yet silently shriek An airy concoction Your desire I pique A sinful temptation You seldom refuse As I squeal, howl and bellow I delight and amuse Who am I?
user17947
30
votes
3 answers

One hundred tiles

One hundred tiles are arranged in a $10 \times 10$ square. Each tile is black on one side and white on the other side. Two types of move are allowed: Flip over all four tiles in any $2 \times 2$ square Flip over all nine tiles in any $3 \times 3$…
rnaylor
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1 answer

Trapping The Knight

A knight is placed on an infinitely large chess board with no edges. It can only visit each square once. What is the smallest number of moves it can make that would cause it to become trapped?
Oray
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2 answers

Reverse Puzzling 2

This puzzle was inspired by Dr Xorile's first reverse puzzle! Kudos to him for coming up with such a fun format. Intrigued, I gave George yet another famous puzzle to ponder over. Once again, I was surprised that he had not seen this before…
AZGreenTea
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1 answer

Solving an encoded message at the bottom of a Bletchley Park mug

A while ago (maybe even a few years ago) I was given a Bletchley Park mug that is black when cold. When it heats up (from having a hot drink inside it) it turns white and reveals a sequence of pictures and a message about Bletchley Park at the…
Tim B
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30
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2 answers

Emojiture Challenge

This is the first question for the new Fortnightly Topic Challenge #5: Literature. My inspiration source was a TV show. I wanted to read some books during holidays, so a friend sent me a list of some international classic books. Unfortunately he…
Sleafar
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4 answers

Smallest Unicode Box Drawing

What is the smallest box diagram you can draw which uses all of the Unicode box drawing characters at least once, but without leaving any loose ends? For reference, you must use each of these characters at least once (not counting the spaces, which…
Darrel Hoffman
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4 answers

The Answer Would Make a Good Title

Here is a riddle quite long I hope you can follow along You'll be delighted While I recite it: I'm known to be unmatched in song. You'll find me the whole world around In nature 'tis true I abound You might not expect But just…
NeedAName
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