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1500 questions
38
votes
3 answers
How do I write a "solid" Riddle?
This is about the objective interpretations/assessment/quantification of riddles. Let us define a riddle as a type of puzzle relying on the usage of only language and context.
Using precise English as a formal (non-opinion based) tool, and examples…
d'alar'cop
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38
votes
8 answers
How many cars does the millionaire have?
I had a logical riddle on a programming interview test which was something like this:
In his garage a millionaire had cars, of which only 2 were not white, only 2 were not green and only 2 were not red. How many cars did the millionaire have in his…
G.Rassovsky
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38
votes
1 answer
I never knew my words could speak!
This is an entry to the Fortnightly Topic Challenge #25: wordplay.
"These words! – they come falling free; / speech: daft here, deft there..." — Emrakul
You know, I've kept some words. Words that work for me. No no, they aren't really my slaves;…
Ankoganit
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38
votes
9 answers
Can political debates really work?
In the far-off country of Politica, there are three main parties: the Left, the Right, and the Centre. In the last election, there were 19 million Left voters, 21 million Right voters, and 23 million Centre voters.
Every time two people who support…
Rand al'Thor
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38
votes
4 answers
Red Herring Bonkers In The Red Herring Bunkers
Please help me!
Last weekend I hosted a hell of a party at my workplace (I'll invite you next time, promise). Of course, my boss didn't know about it.
The next morning I entered the building and everything was just a huge mess! Naive as I am, I was…
Avigrail
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38
votes
6 answers
Desperate Housewives in Brazil
I've been a bit excited about the Olympic Games lately, so decided to make a simple teaser about them. Please excuse my poor drawing, that's the best I could do on my laptop.
Five desperate housewives - Tina, Sarah, Barbara, Francesca, and…
Puzzle Prime
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38
votes
1 answer
Help me get my free coffee!
I just reached my desk and I noticed a piece of paper in front of my computer, reading :
Antimissile demander
Flamboyant dollars
Subchapter unclassified
Bladed fundamental
Impersonated babels
Free coffee at this afternoon break if you find…
IAmInPLS
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38
votes
1 answer
PRAISE BE UNTO HE
He is everywhere, in the heavens and Earth.
He cannot be seen.
He can lift you into the sky and bring you gently down.
He can take many forms.
He can help heal.
He can help kill, yet
He is noble.
He can help create and
He can help destroy.
EJC
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38
votes
5 answers
Magnets on a whiteboard
Alice enjoys placing magnets on a magnetized whiteboard.
This day, she placed all 16 magnets in her possession on the board in a rectangular fashion.
o o o o
o o o o
o o o o
o o o o
"Sweet, that makes exactly 10 lines of 4 magnets"…
Red-Jeweled
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38
votes
2 answers
What is the result of the equation?
Considering from $a$ until $z$:
$x = (x -a) \cdot (x -b) \cdot (x -c) \dots (x - z)$
What I want is the value of $x$
It´s something easy, but I could not find this here and I think it´s a nice puzzle.
Doguita
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38
votes
1 answer
The Language Genie
My friend Arie has a toy called a "Language Genie". If you give it a word in English, it will pick four different languages and find the translation of the English word in each language. Then it makes an anagram out of each of the answers and…
hexomino
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38
votes
1 answer
Ernie's automatic parking valet
I was helping Ernie out in his shed a while back, when his favorite screwdriver suddenly wore out. I offered to go and pick up a new one for him and Ernie thought it was a great opportunity to test-drive his new electric car.
Ernie's car is a work…
Penguino
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38
votes
3 answers
Do better than chance
You and an opponent are playing the following game:
Your opponent picks two different real numbers, however he wants to, and writes them on two cards, which he presents to you face down
You choose one of the cards, and look at its value
You say…
Ben Aaronson
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38
votes
9 answers
Filling an 11-by-11 square
Is it possible to fill the $121$ entries in an $11\times11$ square with the values $0,+1,-1$, so that the row sums and column sums are $22$ distinct numbers?
Gamow
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38
votes
4 answers
Pythagorean pentagons
To follow up on the theme of so called "pythagorean" dissections, here is one more for you to chew on. I hope you don't get bored.
The pentagons above have sides respectively 3, 4 and 5.
Pythagoras says that the sum of the areas of the first two…
Florian F
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