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1500 questions
36
votes
2 answers
This puzzle's main portion is a piece of... cake?
10 + 1 puzzles to feast upon!
See the formatting (hit "edit") for transcriptions for Puzzles 4, 5, 7 and 9. You'll want to enlarge some of the images (there's nothing hidden, it's just that the text is small).
1. Work-In-Progress…
Sp3000
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36
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7 answers
Create a 3 inch measurement
How will you create a 3 inch (within say plus or minus 0.05 inch) side on a standard piece of paper ( 8.5 x 11 inches) merely by Folding? No marking of any kind allowed. Only one paper available. Please explain why. Please try to do with minimum…
DrD
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36
votes
1 answer
The tags on this puzzle are correct
What should I call this kind of puzzle?
stacksfiller
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36
votes
1 answer
I have forgotten what the puzzle was
I have a notebook in which I draft little puzzles during meetings my free time. I came up with one that was to post the acronym version of famous quotes along with the author's initials and the challenge would be to figure out the quote. For the…
Engineer Toast
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36
votes
3 answers
"The Unfinished ________ Waltz"
This puzzle can be solved as puzzle on its own, but its solution is also part of Deusovi's Community Metapuzzle.
Above is the sheet music for the universally acclaimed "The Unfinished ________ Waltz", by renowned composer, Alconja (1763 – 1844).…
Alconja
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36
votes
6 answers
A funny game you can play with a friend of yours: brain reading
...but first you have to find the solution!
Two friends (Andrew and Gabriel) go to another friend (Ellen) and claim to be able to read each other's mind.
Ellen doesn't believe that and wants to test their ability.
Andrew steps away from Gabriel and…
Noldor130884
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36
votes
1 answer
Cut the disk with a hole in four equal pieces
Cut the shape below in four congruent pieces. The gray area is a hole.
In non-mathematical terms, cut the white area in 4 pieces having the same shape, same size, possibly mirrored or rotated.
Note: the hole is not randomly placed. It is in the…
Florian F
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36
votes
3 answers
Deus Ex crypto puzzle
There is an encrypted email in the recent Deus Ex: Mankind Divided game:
From the game files, this appears to be the string:
FILE:…
user6865514
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36
votes
2 answers
Read. Learn. Live. Escape
You wake lying face down on a hard stone floor. Your head hurts. As your eyes find focus, you see a haiku scratched into the ground beside you:
A wrong step brings death!
But, a wrong guess brings knowledge…
Read. Learn. Live. Escape.
Death?…
Alconja
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36
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5 answers
Coffee-break Puzzle: Where does the Driver Sit?
Given below is a picture of a car (from top view). Find out on which side is the steering wheel - left or right.
Source: Geometry Olympiad in honour of I. F. Sharygin, 2007
Ankoganit
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36
votes
4 answers
Evaluate the image
What does this image evaluate to?
Apparently, stack exchange complains if I don't have enough text, so I put this here.
AMACB
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36
votes
3 answers
My friend and his six roomies
I got a letter the other day from my friend, who wanted me to meet his roommates. Here's how it read:
Hey pal!
When are you going to come by to meet my roommates? Here's a little bit about them:
#1 - You don't often see her outside the house,…
paste
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36
votes
1 answer
Say 100 and win
Our good friends that like games, Alice and Bob, play a game called "Say 100 and win".
The rules are:
In the beginning they use one regular 6 faced die to get a random number between 1 and 6. Let's call this number $n$
Alice goes first and says…
Marius
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36
votes
1 answer
Titanic Tic-Tac-Toe
Xavier and Oliver were playing tic-tac-toe on the Titanic using a wooden board and metal X's and O's. As the stern of the ship sank lower and lower
they found, to their annoyance, that the pieces began to slide from left to right. After some…
Hugh Meyers
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36
votes
9 answers
Which offer is better?
You are to make a statement.
Of these two offers you have to choose one; which one is more profitable to you, and why?
If the statement is true, you get exactly 10 dollars. If the statement is false, you get either less than or more than 10…
ABcDexter
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