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1500 questions
25
votes
2 answers
What are the missing two letters in the following series and why?
W A T _ T L I T F S A _
Guess the missing letters.
coDe murDerer
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a few signposts
Assign an integer (1 through 16) to each cell so that:
16 is in the cell with the star; and
each integer's arrow points to its successor (i.e. the next integer), though not necessarily in the adjacent cell.
Assume all arrows are vertical,…
msh210
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1 answer
The FBI needs your help with this Zodiac killer message
During a recent thorough cleanup round at the main building of the San Fransisco Chronicle, an employee found a piece of paper stuck behind an archive closet in one of the many archive rooms.
Her initial reaction was to discard it, just like had…
sarsaparilla
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1 answer
Flag Interpretation
This puzzle is part of the Monthly Topic Challenge #16: Restricted Title: xkcd 2000-2500.
A UN member state recently raised a motion at a general meeting saying that they wished to change their national flag and were open to suggestions. A…
Stiv
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5 answers
Colouring a rug
I have a rectangular rug in my living room composed of coloured patches (shown below). For convenience I have labelled each distinct colour from 1 to 6. Let's suppose that it was created by starting with a blank rug and colouring one rectangular…
Dmitry Kamenetsky
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25
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1 answer
Chess with jumping
Puzzle Statement:
Consider the game of chess, but with a slight modification of the rules as follows: all heavy pieces (i.e., the queens and rooks) are allowed to jump as far across the board as they want, regardless of any pieces…
acegikmoqsuwy2000
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votes
3 answers
Combine 1,3,3,7 to get 10
I tried lots of combinations but could not find a solution. Each number has to be used exactly once, the allowed mathematical operators are
Addition: +
Subtraction: -
Negation: (unary prefix) -
Multiplication: *
Division: /
Grouping with…
Karl Karlsen
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votes
1 answer
Valence Levels?
Each yellow and orange (barred to distinguish) dot gets a letter.
The center green dot does not get a letter.
The final answer is a relevant word, once you unscramble it.
Amoz
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1 answer
Selectively neglected collection
These mannequins are complete and ready for display.
These parts were found in a storage closet. Create four additional mannequins by assembling the parts appropriately and designing a suitable outfit for each torso.
SlowMagic
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3 answers
This is a fun little word puzzle based on a fun little number puzzle
This is a fun little word puzzle based on a fun little number puzzle.
Magmatic
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25
votes
10 answers
7 mathematicians around the clock in prison
In a very strange kingdom, 7 mathematicians (let's call them Ann, Ben, Cid, Dan, Eve, Flo and Guy) were sent to prison because they did a calculation which was correct, but was not in favor of the regnant king.
He was really unpredictable and he…
theozh
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PSE Advent Calendar 2022 (Day 11): The other side of Christmas
This puzzle is part of the Puzzling Stack Exchange Advent Calendar 2022. The accepted answer to this question will be awarded a bounty worth 100 reputation.< Previous Door Next Door >
Christmas has many sides: Trees, dinners and presents. Family,…
Retudin
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1 answer
Across and… um, no
Across
Where one eats chiefly men and women (3)
Bulldog's run backward, endless miles (3)
Ferrari with rear end replaced by young mechanic? I'm concerned, principally, of perhaps causing a breakdown (7)
Old soldier sounds crazy (3)
Like Sir…
msh210
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25
votes
2 answers
Strange Glyphs From Another Time
The following glyphs were recently uncovered at a dig site, which have stumped cryptographers and linguists alike. These symbols are guessed to be some sort of ancient language, but nothing is yet known. Photos of these glyphs have been distributed…
ExecutionByFork
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2 answers
What is my favorite brand of pen?
This is an entry to the Monthly Topic Challenge #3: Pencil and Paper Games
Given the following valid "tic-tac-toe" boards:
What is my favorite brand of pen?
Other possible tags to check your work: solvable-with-pen-and-paper…
Amoz
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