instruction stringlengths 15 30k |
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Sine waves bound in rectangles shaped into prisms. Mass increases, position changes twice, and mass decreases. The prisms become rectangles and are either discarded or stored for later use. *If that sounds exciting to you, you may have an exciting future in our field!* We need as many able-bodied candidates as possible... |
Be kind, this is my first time trying to make my own...
> When my owner is closed, I am open
> My owner never cleans me out
> Few can afford to keep me fed
> Because people always take my food
What am I? |
Assume you have an unlimited but finite number of linking, teleporting doors you can add to a hallway of finite length. Assuming there's a door at the start and finish, can you arrange the teleports so that one can never make it to the end of the hallway?
For example:
> _______
> **A B A B**
> _______
Wh... |
Assume you have an unlimited but finite number of linking, teleporting doors you can add to a hallway of finite length. Assuming there's a door at the start and finish, can you arrange the teleports so that one can never make it to the end of the hallway?
For example:
> _______
> **A B A B**
> _______
Wh... |
The body was lying naked on the floor of an apartment living room. Crime scene investigators and forensics were inspecting the body and the nearby area. You, detective Randy, opened the door and entered the room. After greeting your colleagues you have joined them in the investigation of the body.
You noticed that ... |
Let's pack some T hexominoes and small $a\times b$ rectangles to any bigger rectangle without holes and overlapping.
For example, I can pack two T hexominoes and eight $1\times1$ rectangles into a $5\times4$ rectangle:
![][1]
I can guarantee that there exist solutions for T hexominoes and the following rectang... |
DISCLAIMER: This should possibly be a comment but I don't have the reputation to do that :( It is NOT proof, just perhaps a start on the idea.
>!Let's start by considering what we know. Every time the 'player' hits a door from the left, they exit the corresponding from the right. Hence the player, in order to leave th... |
Thus is a multi-part party installment.
A famous host is storing his party recipes on a data server, and rumor has it that the passwords are in his house. He has another party today without his famous recipes, but it gives you a chance to steal the password. You and your friend start spying on the guests. Both of yo... |
You are in an airport and are worried about missing your flight. So you start to run the long distance to the flight gate at a steady speed of 10km/h (you have bags and are not very fit). Luckily some stretches of the journey are covered by [moving walkways][1] on which you also run at 10km/h. However, you don't have... |
When should you rest? |
You have 12 coins which each weigh either 20 grams or 10 grams. Each is labelled from 1 to 12 so you can tell the coins apart. You have one weighing device as well. At each turn you can put as many coins as you like on the weighing device and it will tell you exactly how much they weigh.
What is the minimum number ... |
> The eleventh day of spring 26
> The twelfth night of summer 74
> The first night of autumn 80
> The second day of winter 86
I have hidden 4 song titles in the sentences above. What are the song titles, and who sings them?
- the songs is about something that have similarity with time of this world (da... |
You are in an airport and are worried about missing your flight. So you start to run the long distance to the flight gate at a steady speed of 10km/h (you have bags and are not very fit). Luckily some stretches of the journey are covered by [moving walkways][1] on which you also run at 10km/h. However, you don't have... |
Let's pack some (one or more) T hexominoes together with some (one or more) small $a\times b$ rectangles into some bigger $m\times n$ rectangle without holes and overlapping pieces.
For example, I can pack two T hexominoes and eight $1\times1$ rectangles into a $5\times4$ rectangle:
![][1]
### Task
Find as ... |
Say you have a grid of 16x16 squares. Label them A through P and 1 through 16.
Now say that at H8 there's a mouse that moves at 1 slot every turn. Also, you get to block a tile every turn.
Say the mouse gets to move first, can you, with perfect play by both you and the mouse, completely box the mouse in, before i... |
The classic 1-guard solution works for any number of guards. Pick a guard $G$, and ask him $H(G) \iff I(P_1)$: "Are you honest XNOR is path 1 good?" Then, take path 1 if he says "True" and path 2 if he says "False".
Liars lying and honest guards not lying is equivalent to every guard $G$ XNORing the answers to quest... |
Let's pack some (one or more) T hexominoes together with some (one or more) small $a\times b$ rectangles into some bigger $m\times n$ rectangle without holes and overlapping pieces.
For example, I can pack two T hexominoes and eight $1\times1$ rectangles into a $5\times4$ rectangle:
![][1]
### Task
Find as ... |
The basic idea is as follows:
>!The mouse situated in H8 will run either upwards or to the left, as it will take it less moves to do so. Let us assume that the mouse runs left for this purpose. The most efficient way is to start by blocking up the outer wall to the left, leaving one block gaps between each block place... |
Let's pack some (one or more) T hexominoes together with some (one or more) small $a\times b$ rectangles into some bigger $m\times n$ rectangle without holes and overlapping pieces.
For example, I can pack two T hexominoes and eight $1\times1$ rectangles into a $5\times4$ rectangle:
![][1]
### Task
Find as ... |
> The eleventh day of spring 26
> The twelfth night of summer 74
> The first night of autumn 80
> The second day of winter 86
I have hidden 4 song titles in the sentences above. What are the song titles, and who sings them?
- each line represent 1 song title
- the songs is about something that have s... |
**When was this graphics software released?**
**Must include reasoning behind your answer!**
NOTE: As of this date, customers in Canada and the Us MUST USE TWO VERSIONS PRIOR - 1.63-1. Current version will not boot.
New and returning in this version:
Example projects by Leighton and Rembrandt added.
<kbd... |
**When was this graphics software released?**
**Must include reasoning behind your answer!**
NOTE: As of this date, customers in Canada and the Us MUST USE TWO VERSIONS PRIOR - 1.63-1. Current version will not boot.
New and returning in this version:
- Example projects by Leighton and Rembrandt added.
... |
(4-6-4)
(6-12-8)
(8-12-6)
(12-30-20)
What is the next number triplet - and why?
I'll add hints if nobody gets the answer first.
In the past I've used this riddle in a game with my RPG gaming group. |
(4-6-4)
(6-12-8)
(8-12-6)
(12-30-20)
What is the next number triplet - and why?
I'll add hints if nobody gets the answer first.
In the past I've used this riddle in a game with my RPG gaming group.
**Edit:** The answer I'm seeking in this riddle is unique and well defined. It requires thinking out of the b... |
*NB: This is actually a carefully written riddle (in case the SE and tag eludes).*
**When was this graphics software released?**
**Must include reasoning behind your answer!**
NOTE: As of this date, customers in Canada and the Us MUST USE TWO VERSIONS PRIOR - 1.63-1. Current version will not boot.
New and r... |
An American architect was in Norway for a business trip, and he was confused by the Norwegian Foreman's units of measurement. The Norwegian did not know how to say any numbers in english, but he did know a few english words which he used to communicate his thoughts to the architect. In one case, he pointed to a wall on... |
An American architect was in Norway for a business trip, and he was working with a Norwegian Foreman who was building a skyscraper. The Norwegian did not know how to say any numbers in english, but he did know a few english words which he used to communicate his thoughts to the architect. In one case, the american poin... |
An American architect was in Norway for a business trip, and he was working with a Norwegian Foreman who was building a skyscraper. The Norwegian did not know how to *say* any numbers in english, but he did know a few english words which he used to communicate his thoughts to the architect. In one case, the american po... |
*NB: This is actually a carefully written riddle (in case the SE and tag eludes).*
**When was this graphics software released?**
**Must include reasoning behind your answer!**
NOTE: As of this date, customers in Canada and the Us MUST USE TWO VERSIONS PRIOR - 1.63-1. Current version will not boot.
New and r... |
**When was this graphics software released?**
**Must include reasoning behind your answer!**
NOTE: As of this date, customers in Canada and the Us MUST USE TWO VERSIONS PRIOR - 1.63-1. Current version will not boot.
New and returning in this version:
- Example projects by Leighton and Rembrandt added.
... |
The answer is;
>! 30, 43.2 ft
Or in words;
>! Thirty-hundred, forty-three, dot two.
Or in ***OTHER*** words;
>! Three-thousand, forty-three, decimal two. (3043.2)
How I got it:
>! Thirty;
>!
>! Dirty (pile of dirt) sounds like 30
>!
>! Forty-three;
>!
>! Maple (sou... |
I think it is
>! Just 33 feet
Pile of dirt
>! Dirty => Thirty
Maple Tree
>! Tree =>Three
a dog defecating
>! shit => feet? |
An American architect was in Norway for a business trip, and he was working with a Norwegian Foreman who was building a skyscraper. The Norwegian did not know how to *say* any numbers in english, but he did know a few english words which he used to communicate his thoughts to the architect. In one case, the american po... |
Rather than answer the point by point questions, I'll just state that this is about:
>! The [Call of Duty Black Ops "Nazi Zombies" map "Kino der Toten"][1] (or possibly the ["Redux" version][2] which includes a character called "Neville"). The description (bodies everywhere, post-apocalyptic) fits the theme of zombi... |
It sounds to me like he has
>! chosen a password that is too hard to remember.
Next time I'll wait for the clues. :)
Since I was asked to say why I thought this would be the answer:
>! The identical hillocks made me think of the old XP Windows desktop maybe eroded from a mountain, and the next line about th... |
Are you clever enough? Every second is a waste of time |
I know this isn't going to be the answer, but just wanted to share my thoughs.
I am
>! Infinity
in a great family
>! of numbers
We are the most perfect of our race,
>! we can't be beaten
Because each of us has a clear worst enemy.
<br />My foe - I know him well - is much like me,
<br />But we con... |
The answer is:
>! A belt
Is this about all the heroin?
>! Heroin refers to belting an arm before shooting up.
I don't just mean keeping you clothed and respectable looking.
>! Clothed and respectable as belts suspend pants and are classy as can be.
I don't just mean saving your life.
>! A (security... |
I think the height of the wall is
>!**33.4**
The foreman may have used "The first was of a pile of dirt"
>!instead of **thirty**
The second was a large Maple tree
>!to represent **three**
and The third was of a squatting dog which was defecating
>!is dog poo and it can be interpreted as dot four(... |
I'm aware of an algorithm for $(\frac{n}{2}-2)^2 + 8$ pieces given $n \ge 6$ cuts as follows:
> Inscribe a square $S$ inside the circle. Let $d$ be some distance from the edge of the square, and cut $\frac{n}{2}$ times, equally spaced between $d$ away from one edge to $d$ away from the opposite edge, both horizontal... |
> The eleventh day of spring 26
> The twelfth night of summer 74
> The first night of autumn 80
> The second day of winter 86
I have hidden 4 song titles in the sentences above. What are the song titles, and who sings them?
- each line represent 1 song title
- the songs is about something that have s... |
It's Monday morning. Fernando just sat down at his desk for another hard day at work - programming stuff and answering telephone calls - "have you tried turning it off and on again?"
As he is about to login onto his machine he notices a tiny bit of yellow paper sticking out from underneath the keyboard. He moves the... |
So how did the date go? |
Police found the body of a computer technician in front of his computer, with a belly wound, the possibility of the victim bled to death after being stabbed use sharp objects, no signs of damage on the windows or doors which indicate the killer is someone close to the victim, the dead bodies was found in a state of hol... |
Police found the body of a computer technician in front of his computer, with a belly wound, the possibility of the victim bled to death after being stabbed use sharp objects, no signs of damage on the windows or doors which indicate the killer is someone close to the victim, the dead bodies was found in a state of hol... |
Hopefully this one will occupy you longer.
I am a ghost
discarnate and sneaky.
Invisible at most.
Catching me is tricky.
I am an awkward loner
team work is not my thing at all.
To cooperate with my persona
you need huge meeting hall.
I am very fair
and nev... |
Police found the body of a computer technician in front of his computer, with a belly wound, the possibility of the victim bled to death after being stabbed use sharp objects, no signs of damage on the windows or doors which indicate the killer is someone close to the victim, the dead bodies was found in a state of hol... |
Maybe it can be
>! Argon (Air gas)
Because:
***I am a ghost
discarnate and sneaky.
Invisible at most.
Catching me is tricky.***
>! You can't obviously see it, and you cant catch it easily
***I am an awkward loner
team work is not my thing at all.
To cooperate with my persona
you need huge meeting ... |
Use intuition, It causes a schism. Entity? |
Maybe it can be
>! Argon (Air gas)
Because:
***I am a ghost
discarnate and sneaky.
Invisible at most.
Catching me is tricky.***
>! You can't obviously see it, and you can't catch it easily
***I am an awkward loner
team work is not my thing at all.
To cooperate with my persona
you need huge meeting... |
**When was this graphics software released?**
**Must include reasoning behind your answer!**
NOTE: As of this date, customers in Canada and the Us MUST USE TWO VERSIONS PRIOR - 1.63-1. Current version will not boot.
New and returning in this version:
- Example projects by Leighton and Rembrandt added.
... |
Not sure if this is right after seeing the other answers, but I think it doesn't matter if you rest on the moving walkway or not (maybe someone can correct me?)
We have 4 different speeds (I changed to meters/minute for easy calculation):
- Run without MW: 166.6667 M/Min
- Walk without MW: 83.3333 M/Min
- Run w... |
You have 12 coins which each weigh either 20 grams or 10 grams. Each is labelled from 1 to 12 so you can tell the coins apart. You have one weighing device as well. At each turn you can put as many coins as you like on the weighing device and it will tell you exactly how much they weigh.
What is the minimum number ... |
**When was this graphics software released?**
**Must include reasoning behind your answer!**
NOTE: As of this date, customers in Canada and the Us MUST USE TWO VERSIONS PRIOR - 1.63-1. Current version will not boot.
New and returning in this version:
- Example projects by Leighton and Rembrandt added.
... |
Police found the body of a computer technician in front of his computer, with a belly wound, the possibility of the victim bled to death after being stabbed use sharp objects, no signs of damage on the windows or doors which indicate the killer is someone close to the victim, the dead bodies was found in a state of hol... |
<strike>Not sure if this is right after seeing the other answers, but I think it doesn't matter if you rest on the moving walkway or not (maybe someone can correct me?)</strike>
**EDIT:** Apparently it does matter when you choose to walk. It seems walking on the Moving Walkway is the better option.
In my previou... |
I am precious to you,
but kill me you do.
I am older than you,
but still ever new.
I cannot be sold,
for money or gold.
I can EVEN fly.
Yet wings have not I.
This is no game,
what is my name?
Give the name and a brief reasoning. |
What is my name? |
You are:
>! Time
**Explanation**<br>
I am precious to you,
>! Time is precious
but kill me you do.
>! One kills time.
I am older than you,
>! Time has always been
but still ever new.
>! What has not been seen is fresh
I cannot be sold, for money or gold.
>! Money does not buy time
... |
You are:
>! Time
**Explanation**<br>
I am precious to you,
>! Time is precious
but kill me you do.
>! One kills time.
I am older than you,
>! Time has always been
but still ever new.
>! What has not been seen is fresh
I cannot be sold, for money or gold.
>! Money does not buy time
... |
Although the correct answer has been posted, I think there is room for another answer:
>! Something
To support this claim, I offer that:
"What is greater than God"
>! If you assume the Mormon conception of God, there are multiple Gods recursively back forever, so "God" has his own "God" which has his one "G... |
Police found the body of a computer technician in front of his computer, with a belly wound. there was a possibility of the victim bleeding to death after being stabbed with a sharp objects. There were no signs of damage on the windows or doors which indicate the killer is someone close to the victim. The dead body was... |
Police found the body of a computer technician in front of his computer, with a belly wound. there was a possibility of the victim bleeding to death after being stabbed with a sharp objects. There were no signs of damage on the windows or doors which indicate the killer is someone close to the victim. The dead body was... |
Inspector Rottman is investigating the murder of young clergy assistant in the quiet village of Roeville.
Having already done some detective work, the three main suspects are:
1. Trevor Matthews, the vicar.
2. Benedict Leith, the organist.
3. Lionel Richardson, the choirmaster.
The Inspector is strugg... |
Who committed the murder? |
You have 12 coins which each weigh either 20 grams or 10 grams. Each is labelled from 1 to 12 so you can tell the coins apart. You have one weighing device as well. At each turn you can put as many coins as you like on the weighing device and it will tell you exactly how much they weigh.
What is the minimum number ... |
<pre>Hello everybody, can someone help me? This riddle really gave me the gilles so far.
I need to solve this for school but I have no idea!
Not sure if it will help - [check this out. So funny!][1] </pre><br>
You're very close<br>
But I'm always ahead<br>
Can be beheaded<br>
but can't be fed<br>
You can hav... |
Are you clever enough? Headings had had their hints long long time ago |
It's Monday morning. Justin just sat down at his desk for another hard day at work - programming stuff and answering telephone calls - "have you tried turning it off and on again?"
As he is about to login onto his machine he notices a tiny bit of yellow paper sticking out from underneath the keyboard. He moves the k... |
It's Monday morning. Fernando just sat down at his desk for another hard day at work - programming stuff and answering telephone calls - "have you tried turning it off and on again?"
As he is about to login onto his machine he notices a tiny bit of yellow paper sticking out from underneath the keyboard. He moves the... |
Inspector Rottman is investigating the murder of young clergy assistant in the quiet village of Roeville.
Having already done some detective work, the three main suspects are:
1. Trevor Matthews, the vicar.
2. Benedict Leith, the organist.
3. Lionel Richardson, the choirmaster.
The Inspector is strugg... |
An American architect was in Norway for a business trip, and he was working with a Norwegian Foreman who was building a skyscraper. The Norwegian did not know how to *say* any numbers in english, but he did know a few english words which he used to communicate his thoughts to the architect. In one case, the American po... |
**When was this graphics software released?**
**Must include reasoning behind your answer!**
NOTE: As of this date, customers in Canada and the Us MUST USE TWO VERSIONS PRIOR - 1.63-1. Current version will not boot.
New and returning in this version:
- Example projects by Leighton and Rembrandt added.
... |
The intended recipient is:
>! Spirit (strong distilled alcoholic drink)
written by:
>! Alcoholic
**Reasoning:**<br>
>!"feline" could be interpreted as:
>!*"sly, stealthy, or treacherous"*
>!rather than,
>!*"belonging or pertaining to the cat family"*
>!according to [thefreedictionary][1].<br>
>!<br... |
*Probably wrong*
Nonsensical abstraction high up in the army;
>! "general abstract nonsense" - this indicates that we are in for a riddle! And possibly that the lines are not to be taken as talking about the same thing. But rather that they are to be linked at a later time.
The woman with the wheel fires the ... |
Well I'm muddling towards something. No idea if it's an answer.
>! The author is Proserpine/Persephone - painted by Rembrandt in 1631 and Leighton in 1891.
>! In the 1891 painting Proserpine is returning to the underworld implying it's autumn -> winter - I'm guessing this is what you mean by shifting gaze on an i... |
Well I'm muddling towards something. No idea if it's an answer.
>!The author is Proserpine/Persephone - painted by Rembrandt in 1631 and Leighton in 1891.
and
>! In the 1891 painting Proserpine is returning to the underworld implying it's autumn/ winter - I'm guessing this is what you mean by shifting gaze on an... |
Here's something to keep you busy over the weekend (or not, if someone cracks it straight away).
The following message can be unambiguously decoded to reveal an eleven letter word. It can be deciphered with pen and paper, although knowing a bit of Python would probably help.
> f83LfTzptHfiSAdflFo4AFlhTFIeOpvoRd5f... |
Well I'm muddling towards something. No idea if it's an answer.
>!The author is Proserpine/Persephone - painted by Rembrandt in 1631 and Leighton in 1891.
and
>! In the 1891 painting Proserpine is returning to the underworld implying it's autumn/ winter - I'm guessing this is what you mean by shifting gaze (glau... |
Police found the body of a computer technician in front of his computer, with a belly wound. there was a possibility of the victim bleeding to death after being stabbed with a sharp objects. There were no signs of damage on the windows or doors which indicate the killer is someone close to the victim. The dead body was... |
Heading down to the city of Thebes, you encounter a Sphinx who stops you in your journey and speaks to you. The Sphinx has a riddle for you: if you can solve it, she will let you pass; if you fail, she will devour you.
And this is the riddle the Sphinx has prepared for you:
> **If this were an answer, what would ... |
I am one of many siblings in a great family. <br>
We are the most perfect of our race, <br>
Because each of us has a clear worst enemy. <br>
My foe - I know him well - is much like me, <br>
But we continually fight each other; <br>
We never hide our hatred for each other.
Wave at my eldest brother and he become... |
Warning: Most of my posts are riddles disguised as something else. For those who have enjoyed my contribution and are expecting more, DO NOT try to guess that the answer is a tugboat, geese, or the Winter Bonanza sale. This is NOT a riddle. You have been warned.
This is a question that has frustrated me to no end fo... |
I am precious to you,
but kill me you do.
I am older than you,
but still ever new.
I cannot be sold,
for money or gold.
I can EVEN fly.
Yet wings have not I.
This is no game,
what is my name?
Give the name and a brief reasoning. |
I am precious to you, but kill me you do. ... What is my name? |
What to do when the official Rubik's cube solving sequence breaks? |
This is a multi-part challenge; you will need stamina to complete it! The style of this problem may remind you of some of my friend [avigrail](http://puzzling.stackexchange.com/users/5106/avigrail)'s riddles, and I will admit to having pinched a few ideas from him - see also the title of [my last riddle](http://puzzlin... |
It's very difficult to understand exactly what situation your cube is in based on your description, but I'll do my best...
Here is an online guide that tells you what you need to do http://www.rubiks.com/blog/how-to-solve-the-rubiks-cube
Side note: I solve the cube beginning with the bottom layer, so by "top laye... |
No need for any complex calculation!
Let $r$ be your run speed, $w$ your walking speed, and $m$ be the moving walkway speed. If you rest for some time $T$, then you cover the distance $(w+m) \, T$ if you're on the walkway and $w\,T$ otherwise, whereas the distances covered would be $(r+m)T$ and $r\,T$ if running. Le... |
What is the meaning of a "tetrad twist" in Thistlethwaite's algorithm? |
*Certainly wrong - just some notes ultimately*
Nonsensical abstraction high up in the army;
>! "general abstract nonsense" - this indicates that we are in for a riddle! And possibly that the lines are not to be taken as talking about the same thing. But rather that they are to be linked at a later time.
The w... |
A logic puzzle is where one must deduce a conclusion from a series of statements using logical inference. For example, the puzzle might ask you to figure out the order of five people standing in like from statements like "Jamie is not to Sarah's left."
Sometimes, the truth of the statements themselves is unknown and... |
Police found the body of a computer technician in front of his computer, with a belly wound. there was a possibility of the victim bleeding to death after being stabbed with a sharp objects. There were no signs of damage on the windows or doors which indicate the killer is someone close to the victim. The dead body was... |
Police found the body of a computer technician in front of his computer, with a belly wound. there was a possibility of the victim bleeding to death after being stabbed with a sharp objects. There were no signs of damage on the windows or doors which indicate the killer is someone close to the victim. The dead body was... |
Inspector Rottman is investigating the murder of young clergy assistant in the quiet village of Roeville.
Having already done some detective work, the three main suspects are:
1. Trevor Matthews, the vicar.
2. Benedict Leith, the organist.
3. Lionel Richardson, the choirmaster.
The Inspector is strugg... |
*Certainly wrong - just some notes ultimately*
Nonsensical abstraction high up in the army;
>! "general abstract nonsense" - this indicates that we are in for a riddle! And possibly that the lines are not to be taken as talking about the same thing. But rather that they are to be linked at a later time.
The w... |
A possible solution:
>! What question would you ask me if I should answer with the question I would ask to get your answer?
|
Heading down to the city of Thebes, you encounter a Sphinx who stops you in your journey and speaks to you. The Sphinx has a riddle for you: if you can solve it, she will let you pass; if you fail, she will devour you.
And this is the riddle the Sphinx has prepared for you:
> **If this were an answer, what would ... |
Not a complete solution, but maybe it can help someone else see what I'm missing.
The lines look like
>! cryptic crossword clues
to me. Especially since the link in your hint refers to
>! **General** abstract nonsense.
With "high up in the army" pointing to
>!general.
Also, "the woman with the whe... |
*Certainly wrong - just some notes ultimately*
Nonsensical abstraction high up in the army;
>! "general abstract nonsense" - this indicates that we are in for a riddle! And possibly that the lines are not to be taken as talking about the same thing. But rather that they are to be linked at a later time.
The w... |
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