# All Questions

18,798 questions
Filter by
Sorted by
Tagged with
2k views

### One thousand year old riddle (from the Exeter Book)

This riddle is from the Exeter Book, circa 960-990 A.D.: Clothes make no sound when I tread ground Or dwell in dwellings or disturb the flow. And lofty air and gear at times Above men's towns ...
381 views

### Riddle: I can be this, and you can be this, and, yes, we can be this

I can be this, and you can be this. And, yes, we can be this. He can't be this and she can't be this. And no, they can't be this. Dogs can't be this, but cats can. And a kitten can't be this,...
209 views

### Quantum tic tac toe strategy

Most of us learn tic tac toe early in our life. Also, it is easy to find an optimal strategy for playing. How about Quantum tic tac toe? What is the optimal strategy for playing it? Rules On a ...
10k views

### Almost half a million, yet smaller than a hundred [closed]

Consider, for example, the number 420109. It's quite big, isn't it? Not so far from half a million. Yet it can be made to be smaller than a hundred with a very simple trick, without putting any ...
146 views

### An Attempt at AV Puzzle

Here's another puzzle with visuals and sound. I hope you enjoy it! With Sound: https://youtu.be/yHkQdEu0QpA Static Image (the musical notes represent the music in the YouTube video): Hint
2k views

### If they mess with my daughter, my doctor will axiom

My maxim is: "I'd call devil medic amid clinic six if odd minx in illicit Miami maid film hid ill will via my idyllic child, Lily." Where am I living right now? Hint:
411 views

### Find the next number and what I am!

This is the first puzzle I made and apparently it's too difficult. So I tried to create hints, but it's hard. If you have any ideas on how to write this riddle in a better way, or have more "...
104 views

### Train schedule - reconcile station calls [closed]

You have a train. You also have a list of stations: A, B, C... The train stop at stations, e.g. the train stops at station A at 13:53, station B at 14:05 and station C at 14:34 and then back to ...
1k views

### Introducing: Compoundoku!

Rules of Compoundoku: Solve both left and right Sudokus. In addition, the board below them is the Compound Board of both Sudokus. Each number on the Compound Board should tell either: (1) ...
224 views

### A new year's mathematical mystery

Sam, Magnus, and Olivia each try to write the number 2020 as the sum of consecutive positive integers. They each use more than one integer, a different number of integers to the others, and none of ...
139 views

### Square Image - Sifr wa Wahed - Gol va Keleed

Title is irrelevant, but here's a simple puzzle I made...
588 views

### What would Abe say?

Across: 1. Way to defeat everyone (5) 4. Performer's departing could be melodramatic problem (7) 8. Primarily deploying Uranium in the destruction of bed lice can be reasoned out (9) 10. ...
634 views

### Regarding a crossword

Down any of bcbbbccccbc ccbcbcccbcbcca ba ccca ...
1k views

### Best way to solve Codeword puzzle

I always find it hard to do codewords puzzles. Whenever I fill in all the spaces with the starting letters, it doesn't really help. I always end up looking at the answer sheet. Does anybody know a ...
88 views

### Help with spellathon puzzle [closed]

This is the spellathon puzzle: The words I've gotten so far are: Mimic, mined, cloud, denim, angle, algae, angel, linen, eagle, and legal. For some reason, I find this puzzle difficult to find words....
1k views

### What is a Resilient Word™?

In the spirit of the What is a Word™/Phrase™ series started by JLee, a special brand of Phrase™ and Word™ puzzles. If a word conforms to a special rule, I call it a Resilient Word™. Use the following ...
123 views

### I found this puzzle in vrchat [closed]

its the number puzzle where i dont know what really is hapenning but i see odd numbers are changing
306 views

### Number puzzle i really need help with

I found this puzzle in a VRChat world. Its a 6 number puzzle, and I need to know the value of “? ? ? ? ? ?”. I also need to know the number.
397 views

### Living in prime years

A human was born somewhere in interval of [1;1920] A.D. They lived exactly 100 years. They lived through more years that were prime numbers than any other human (of the same lifespan) who was born in ...
155 views

### SoIve this cipher, please [closed]

Solve this cipher, please. 24/12 is coming so 25 24 18 25 27 18 25 26 18 27 29 18 26 23 18 26 45 18 26 42 18 26 27 18 25 21 18 23 22 18 26 28 18 27 29 18 26 21 18 25 28 18 24 45 18 23 20 18 26 22 ...
452 views

### I am lightest on the ground but I am heaviest in the air

I am lightest on the ground but I am heaviest in the air. What am I?
911 views

### What is a Tulip Word™?

This puzzle is in the spirit of the What is a Word/Phrase™ series started by JLee with a special brand of Phrase™ and Word™ puzzles. If a word conforms to a special rule, I call it a tulip word. Here ...
209 views

### What is the maximum number of allies that you can have in this scenario?

There is a military/diplomatic crisis, with many sides involved. Your goal, as an uninvolved party now entering the conflict, is to get as many allies as you can. You make an ally by supporting a ...
99 views

### How to effectively hide an earth rebooter thingy [The Good Place Season 4 spoilers]

This puzzle is unsolved. I don't know if there is a solution or how to solve it. I'm also not sure what type of puzzle this would be, so if anyone wants to correct the tags, feel free. Imagine you ...
248 views

### The seven letter word

Don't worry, I won't let you overflow. Is anyone operating on you? I won't let you overflow by that. Do you want to link yourself? I won't let you overflow by that. Is there an ...
323 views

### The soldier riddle

Soldiers carry their rations slung across their back; I have no need for food, yet I too have a sack. I do not stir; I remain silent and still; Watching, waiting, to hear the enemy trill. Then ...
171 views

### What is the smallest number of lies needed to solve a Dragon Joust puzzle?

I recently watched this video which presents a deduction "riddle" about dragon jousting. The rules for the puzzle (from the video) are as follows: After centuries of war, the world’s kingdoms have ...
72 views

### Formulating sequences in particular ways

Let's have the following sequences: 772,6772,59404,521092,? 298,2614,22930,201142,? What comes next, where the question marks are?
383 views

### Complete this puzzle(the right way)

A circle and squares.. Try to complete this picture(the white areas) and explain why! Hint1a Hint1b
100 views

### My favourite two number sequences are below do you know/ can you guess them and what are yours? [duplicate]

3.3.5.4.4.3.5.5.4.3.6.6... and 8, 5, 4, 9, 1, 7, 6, 3, 2, 0
661 views

### Italian coin collector

Across 3. Extraordinary claim: He is 13 across after 9 down (7) 6. Crashed ashore, sounding rough (6) 8. Got away from David and Edward going separate ways (6) 10. General supermarket chain ...
2k views

### Five letters in a row

A sequence of letters, 5 long. The first 4 will burn you to a crisp. The last 4 will injure you too. But all 5 are sure to charm.
120 views

### Sudoku - can’t get any further

What technique am I missing here? I have try all the usual naked pairs etc.
150 views

### Some puzzles just appear while doing diy [closed]

I had fitted a camera above the built-in wardrobe in our children's room. There was a socket behind the drawers. I could just remove the drawer to plug it in, but there was only enough room to slide ...
4k views

### What is a Swiss Knife Word™?

In the spirit of the What is a Word™/Phrase™ series started by JLee, a special brand of Phrase™ and Word™ puzzles. If a word conforms to a special rule, I call it a Swiss Knife Word™. Use the ...
839 views

### Game of riddles

If you know me, you're in danger. If others know me, you're in danger. Ignorance is bliss, you're safer forgetting me. As soon as you know me, good luck. If you know me, you hate me. It's better ...
175 views

### A Logician's Game of UNO Flip

Two players are in the middle of an ongoing one-on-one game of UNO Flip, with all its standard rules in effect. Play is currently Light Side Up. It is Player B's turn. Player A has 3 cards remaining, ...
447 views

### What could it be?

What could it be? Hmm... Try complete the picture! Hint1a: Hint1b: Hint1c(strong): Hint1d(stronger):
2k views

### Picture puzzle… Replace the “?”

Below is a picture and your task is to replace the question mark!
198 views

### Yes indeed, an Outlaw from the past

I am an outlaw from way past. Not real though. Look at me forward, backward, or upside down, I remain exactly the same. Yes indeed, no change. Can you guess?
231 views

### Logic Grid Puzzle (Above the Summits, new tips)

UPDATE 20-01-13: I sent an email to the admin of the site, pointing out the problem. The tip 1 has now been corrected and the puzzle can be solved. The "Laundry Time" puzzle I mentioned in this post ...
345 views

### The Wind Blows as the Wheel Wills

The Wheel of Time turns, and Ages come and pass, leaving memories that become legend. Legend and names fades to myth, and even myth is long forgotten when the Age that gave it birth comes again. In ...
67 views

### The king, the princess, the 3 wise men, and the 3 x's [duplicate]

A princess just became of marriageable age, and her father went out to get 3 wise men. He placed them at a round table and wrote either an X or an O on each of their heads, writing in such a way that ...
1k views

### My Boss Gave Me A Task

This is an original puzzle. My first. Hope you enjoy it. Inside my lunchbox My charge goes every night, Stored in my cupboard Until brought back first light. You see, boss gave me a ...
252 views

### Is Every Obtuse Angle A Right Angle?

The Journal of Irreproducible Results once posted an article saying that every obtuse angle is a right angle. Their argument follows below: Given the obtuse angle $x$, we make a quadrilateral $ABCD$ ...
393 views

Here are two $5 \times 5$ Latin-Square Adjacent puzzles. For each cell, put a digit between $1$ and $5$ such that: Each row and column contains one occurrence of each digit $1$ to $5$. If two cells ...
892 views

### Another new puzzle type needs a name

For an example of how this type of puzzle works, see here... I believe I have invented another new type of puzzle... What is its name? Colour-blind-friendly version available here. Begin by ...
1k views

### Make a hexiamond star by hand

Using some or all of the hexiamonds (pictured), make a star. You may flip pieces. The usual tiling rules apply, no overlaps, no gaps. Use only one or none of each piece. Answer is unique. Target shape ...