Top new questions this week:
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Bob was very lucky in his last game of Mastermind. Alice was the codemaker; Bob was the codebreaker. They played with six colors and a length four code.
Bob's first guess wasn't an immediate win. But ...
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What legendary meme am I referencing (twice!) with this large and strange polynomial?
$5507x^4-302885x^3+1420806x^2-2224828x+1101400=0$
Buckleyour seatbelts, it’s kind of crazy- I sincerely hope you ...
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I've made an interactive 3D cube puzzle in CSS, The puzzle is fully solvable from the images below, but the fully interactive version is here: https://codepen.io/chengarda/full/RwyKvwz
The empty cube ...
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This puzzle is part of the Monthly Topic Challenge #3: Pencil and Paper Games
I'm a bit unsure who to ask about this...
You see, there's this guy I know. I say 'know' - we're not close mates, come ...
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If (4, 3, 15) means "I am Liam", then 14 is a feminine name.
If (15, 3, 7) means "This is his", then 6 is a way of greeting someone.
Construct a meaningful phrase for (8, 7, 9) ...
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In chess, there are 6 types of pieces that can capture other pieces, and there are 5 types of pieces that can be captured. Ignoring piece color, this means that there are thirty distinct possible ...
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A pen and paper challenge:
Write down a number whose square (repetition allowed) is the concatenation of at least 25 nonzero squares.
examples
7, 13, 12: Their squares are the concatenation of 2 ...
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Greatest hits from previous weeks:
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My Father is a Chemist
My Mother is a Mathematician
They call me iron59
What is my real name?
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What is the solution for this puzzle from this IQ test?
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You can keep it only after you give it to someone else. What is it?
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I’ve been trying to learn chess so I was googling chess strategies. When I saw an ad for “The Ultimate Chess Strategy,” I instantly followed it and put in my credit card number. A few days later I ...
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Left alone, I'm a word with five letters.
I'm honest and fair, I'll admit.
Rearranged, I'm of no use to trains.
Again, and I'm an overt place, warm and well lit.
What am I?
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This is not actually a puzzle per se, but I'm asking for an explanation about the puzzle's answer.
The puzzle goes like this:
A man bought a goat for 60. He then sold it for 70. Later, he bought that ...
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Say, you are given a cake which you must share with 7 others. So, you must cut the cake into 8 pieces. But, you are only allowed to make 3 straight cuts. You cannot move pieces of the cake after the ...
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Can you answer these questions?
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You can play this Zebra Puzzle here: https://www.brainzilla.com/logic/zebra/italian-exhibition/
Woman #1
Woman #2
Woman #3
Woman #4
Woman #5
shirt
name
surname
painter
time
age
Five women are ...
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I'm looking for an eleven-letter word.
The triangle you see is an equilateral triangle.
Note: There are four type of red lines - horizontal, vertical, left-right diagonal and right-left diagonal. ...
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