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1answer
39 views

Locations on the Earth that are all separated by the same distance

What is the maximum number of distinct locations you can select on the surface of the Earth, such that the distance between every pair of locations is the same? Assume that the Earth is a perfect ...
1
vote
0answers
22 views

Starry Knight, or Crazy Heights

Apple Bounce Chip Desk Egg Fizzle Gird Heat Image Jewel Kangaroo Mustache Nickel Opportunity Person Quiz Reel Saturate Tornado Umbrella Vehicle Wallaby Xylophone Zebra Alabaster Birth Colonel ...
7
votes
2answers
34 views

Vowelburger™ Riddle

(A new kind of riddle) I ordered 5 Vowelburgers™ with buns and meat only - help me identify each one from the description on the menu! $$ % custom template - do not reuse \def\S#1#2{\Space{#1}{20px}{#...
7
votes
1answer
90 views

This is a Rilerdl

My prefix's full of expertise My infix's in the diocese My suffix's citation missing link My whole's making a sink sync What am I? A Riley Riddle
16
votes
3answers
245 views

In times of crisis, I am priceless

In times of crisis, I am priceless. I’m illegal, yet permissible. Enemies call me despicable.. But what is my profession? That is the question. Concealed among bureaucrats, who administer ...
15
votes
1answer
329 views

This new puzzle type needs a name {3}

I believe I have invented** a new type of puzzle... What is its name? ** Well, 'adapted' an existing one, really... Colour-blind-friendly version available here. Those without colour-blindness ...
10
votes
0answers
135 views

Lost in Translation

You arrive on a foreign island, but upon heading to the local library, you find yourself unable to decipher the texts. You wonder what's caused this... ...
9
votes
7answers
3k views

I am enclosed by rock and ice - What am I?

I am completely enclosed by rock and ice. I see no light of day. No human has ever been here, but if you could come here then you wouldn't know what time of day it is. What am I?
-2
votes
3answers
259 views

Need help with riddle

I am useful, not beautiful. Years ago I was huge, but now I can sit in a desk. I do not think, but I can help you do your school work. New models of me can play music. What am I?
18
votes
1answer
1k views

An army marches

This is my first riddle - I think it is probably quite an easy one. I'm interested to see how quickly it gets solved. There is an overall theme with four elements to be identified. The Red Army ...
18
votes
1answer
3k views

Is it possible to divide a square into convex pentagons?

I have seen this question on reddit (r/math's chatroom - to be specific). No one has answered it yet, so I thought I would pose the same question here. The only discovery I made that is worth ...
-5
votes
1answer
104 views

A Computer CHip [closed]

Stickman's trapped in a Computer chip. Is it possible for him to get to the Exit? Credits: Wiggins
-5
votes
3answers
119 views

Fastest Finger First- Pointing Fingers

Fastest Finger First Which hand have the most fingers pointed at?
0
votes
0answers
137 views

Solving an enigma

OQBA BQWG OZBF XSFX AIUF MIQE FGBE JEAJ UNLE QXTR ZEXL YFKJ LBQV XDRG N My friend gave me this and said it was an actual message so I'm determined to find out but I'm not sure how to crack it. Anyone?...
1
vote
1answer
128 views

Feedback for puzzle i made up

So I made this puzzle where you have words that branch off into other words. For example: The blue letters you take and move it on to the next blank space, still putting it in order: For ...
1
vote
4answers
267 views

Is it possible to put the numbers into circles?

This topic is motivated by the trolley813's answer on my question. Question. Is it possible to put the numbers $1,2,3,...,23$ in circles so that the sum of the four numbers on $9$ sides of $3$ ...
9
votes
2answers
247 views

Let's get down to a Riley riddle!

My prefix, proudest hunter, still stands guard o'er home and grain; My suffix, firm foundation, from which space is realised; My infix, part outstanding, leaves a gap for us to work. But ye who seek ...
9
votes
0answers
254 views

I'm Back…!

To: My Mods! (and the community) Note: The following is a letter enclosing the details of what's going on. It's more for "story" and humor, but does have some information that you might want. To save ...
8
votes
1answer
211 views

Rearranged recounting stirs the pot

My friend always speaks in anagrams (he's very clever). He was describing a dispute that tore his family apart: Side sea we toast, "Winter moon!" Shortly after that, I terminated my friendship ...
0
votes
0answers
138 views

How to load balls on conveyor belt? [closed]

A conveyor belt that carries one ball in each of its fixed size slot has to be mechanically loaded from a crate full of balls. The balls are different in size but no ball is greater than the size of ...
9
votes
1answer
337 views

Are we there yet?

Quotations, but melt? Have you found the answer yet?
18
votes
1answer
734 views

It is a very big state: Says Grandpa

"Wow, this is a very big country, our USA" Said Grandpa. He was looking at the USA map. "Everyone knows that" My two cents. "Did you know that California is twice as big as Nebraska?" "Could ...
9
votes
2answers
2k views

My prefix is wet, my suffix is cheap

My prefix is wet. My suffix is cheap. My infix can be expensive. As a whole, I am happily devoured. What am I?
12
votes
1answer
439 views

White to mate in 2

This is a cryptic crossword puzzle. Clues are normal, however some entries clash with one another. Each such clash is resolved by adding the clashing letters using the standard A1-Z26 numerology, ...
3
votes
1answer
202 views

Hints, with a bit of love ! (5)

Inspired by this page and some other pages, I made some cryptic clues. Start growing before rain! Needles , before first sewer! (8) Dirty, dirty room! (9) Eleven plus two makes... (6,4,3) Dust, head ...
4
votes
1answer
172 views

Put the numbers $1, 2, …,16$ in circles

Put the numbers $1, 2, 3, ..., 16$ in circles so that the sum of the four numbers on each side of the triangle should be equal.
7
votes
1answer
142 views

Jazz and all that

Across 1/4/9. Isn't Satchmo sad during the final parts of Miles Davis song? (5,5,5) 7. Baron von Richthofen's rank above the king? (3) 10. Assistants have a bit of chlorine added to aqua regia ...
2
votes
1answer
83 views

Nature's Police - Who am I?

I pull you down, I'm nature's police I've been with you since birth, and you I'll never release You have to obey me, you have no choice I'm also invisible and I make no noise. Some one found me, ...
11
votes
2answers
465 views

Compoundoku wants BIG

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) ...
18
votes
1answer
610 views

Marking the Occasion

I don't have any letters. I used to have one letter (and a dash). If you run, I have one letter (and a digit). When I have twelve letters, no two of them are the same. What am I?
8
votes
5answers
6k views

How to make 4 triangles out of 4 lines

Use any drawing software like Paint or the like to draw 4 triangles using only 4 straight lines! Also, the borders of your drawing don't count ;)
27
votes
1answer
412 views

Is there a code in this painting?

This was posted in a Facebook group yesterday. It’s also made the rounds on Reddit but all of the commentary seems like scattershot speculation so far. From the post: This is a painting done my ...
7
votes
1answer
140 views

Given a 7x7 grid, what moves need to be made to get two agents on their respective opposite sides of the grid on the diagonal?

Say I had the following 7x7 grid and two agents on the grid facing one another as shown. The agents can follow the following commands: moveForward, turnRight, turnLeft. The agents have to follow the ...
-3
votes
1answer
156 views

Make 100 with only 9 numbers [closed]

Make 100 with ONLY 9 numbers Hint 1: Hint 2: Hint 3: Hint 4:
5
votes
1answer
227 views

I need help with a difficult metal puzzle ( Spiral and Triangel with U-Shape; Triangel with Ring at the beginning)

I got the puzzle from here. Here is a picture of it: How is it possible to solve it? UPDATE: Thank you @LeppyR64 for your answer. However, I cant solve it. This is what happened when I followed ...
-4
votes
0answers
102 views

What is the correct option here? [closed]

What is the correct option here? I believe it is like a to e? The question is from BUNQ reasoning test.
5
votes
1answer
155 views

Generating special numbers [closed]

Here are three numbers that are related to one another: 9841, 8591, 4800 How are these numbers related and how are they generated?
12
votes
3answers
2k views

Only one square for the white king

Consider this position. It is white's turn to move. Your job is to place the white king so that white have an overwhelming (winning) advantage. Where is it? Please note that: While Queen usually ...
10
votes
4answers
873 views

Making the whole set into primes

Let's say you start with a set of sequential integers starting from 2, so: $ 2, 3, 4, 5, \dots, N $ for some $ N > 2. $ The goal is to use identical basic arithmetic operations ($ +, -, \times, \...
5
votes
1answer
129 views

I made a crossword for you guys

Here's the crossword: I call it "A Abuse"... You'll find out why. Made with a crossword maker lol
15
votes
7answers
605 views

ma(c + n + s) =?

This is an original puzzle. It may require some specific knowledge, but nothing that can't be easily acquired. ma(c + n + s) = ? To steer you in the right direction, there are no acronyms involved....
8
votes
1answer
330 views

My prefix is man, my suffix is sharp

My prefix is man. My suffix is sharp. My infix is man. The whole is hard. What am I?
5
votes
1answer
147 views

A Twisty Puzzle my friend barely remembers

I was impressing various students at my school by showing them various twisty puzzles when one of them recalled a puzzle they owned. I thought I might have seen it somewhere, but I may have been ...
4
votes
1answer
161 views

Brute-force solver for Gear Octahedron - flawed method?

I am working on a program to brute-force a LanLan Gear Octahedron I bought second-hand (and scrambled). I have no background in "cubing" and just fancied solving the problem. The structure comprises ...
4
votes
0answers
277 views

Why is “arrive” an answer for the crossword clue “like desert terrain”?

Possible source: https://nytminicrossword.com/nyt-mini-crossword-answers-january-14-2020/ ACROSS 1. Listen to 5. Desolate 7. Like desert terrain 8. Lines of work 9. Monopoly purchases 10. Armed ...
-2
votes
0answers
98 views

There seems to be two types of Braille [closed]

This post is not a puzzle. There is nothing puzzly hidden inside it or the self-answer, posted at the same time. Some research shows that there seems to be two types of Braille. Please help me ...
17
votes
1answer
1k views

As a whole I am intense desire

As a whole, I am intense desire. Behead me, and I accommodate children. Behead me again, and I accommodate animals. Restore me, and I become fire. What am I? (An original riddle)
7
votes
1answer
273 views

Building the perfect number 28 with fractions - part2

Here is a follow up of Building the perfect number 28 with fractions You are given the fractions $\frac{3}{2}, \frac{5}{2}, \frac{7}{2}, \frac{11}{2}.$ Use any operation of $+, -, *, /, ()$ to build ...
6
votes
2answers
287 views

Building the perfect number 28 with fractions

You are given the fractions $\frac{4}{3}, \frac{7}{3}, \frac{10}{3}, \frac{13}{3}.$ Use any operation of $+, -, *, /, ()$ to build 28 with those four fractions. You must use all four fractions ...
9
votes
2answers
344 views

Memorial mnemonic - January 15

According to Wikipedia a mnemonic is "any learning technique that aids remembering". Here is a mnemonic sentence: Empty City, Green Dwarfs Can you tell what it is about? The answer is a six ...

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