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1500 questions
41
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22 answers

Aproximating 100 by 6

You're a fan of pen & paper RPGs and have finally arranged a new playing group, recruited amongst your friends from the mathematical faculty. As a GameMaster (GM) you've assumed that all your players will be fully equipped with the necessary dice…
BmyGuest
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A Logician, three students and three initials

A logician decides to test three students named Rich, Ken and Rob. He said: I am thinking of the initials of a full name. First, middle and last. On three separate blank cards I have written those initials. Rich gets the initial for the first name,…
RogerA
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3 answers

Red Herring Redherring

Red herring redherringredh Redherri ngredh Red herrIng red HErrING reD heRring Red herRing rED herrINg REDHERRING rEd HErring reD HerRing Red hERriNg Red herring Red HerrIng rED hErrInG reD HerrIng rED herRInG red herRInG Red herRiNG…
HTM
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Dirac notation for English

Dirac notation is very expressive: not only does it allow to write quantum states and operations more concisely, it can also be used to shorten written English words and phrases! Here are some examples: What is shown on the hidden photo?
Mariia Mykhailova
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Q: What kind of logic puzzle would you like? A: Yes

A recent post and Stiv's answer provided inspiration for a new puzzle. I posted a study for this puzzle earlier; this is the bigger effort envisioned. I hope you enjoy! This puzzle consists of four different logic puzzles: a Nonogram, a Nurikabe, a…
Jeremy Dover
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3 answers

What comes next in the sequence? (Counting sheep)

My roommate has insomnia so he was counting sheep to help him sleep. He started with 2986, then continued with 47786, 764586, and 12233386. What sequence is he following, and what was the next number?
DenverCoder1
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2 answers

Magic Maze Puzzle

Inspired by the board game, Magic Maze Set-up: Cut out each 4x4 tile, and the four small tokens (orange, yellow, green and purple), from the provided image below. Place tile 1 on a flat surface with surrounding space, and squares 2-10 in a stack…
boboquack
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The Late Queen Gives in to Remorse - Reverse Hangman

Add a "C", I am what has been, Add a "G", I might be a queen, Add a "P", I'll turn away from sin Add an "L" and I may just give in. This is a Reverse Hangman puzzle, see here for an example. The final answer will be a string with one…
hexomino
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3 answers

The "M&M Sugar Rush" game

Suppose I have in my possession a incredibly large (almost infinitely large!) bag of M&Ms containing a uniform distribution of the 6 M&M colors. I'm bored, so I decide to play a game: I draw one M&M from the bag and place it on the table. I then…
Scott M
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What crime have we committed?

We start in a city that rhymes with angina, the masculine form, add in what's drunk in China, then take phylum's first six, of the minor kind, components will make what in our hand we find. We add to our hand where we initiated, and…
Jafe
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2 answers

Inning with exits

Ice pie with mile. It'll eye something big. Inning with exits. Met a land, would use. Try kit with a Mal. It & it makes a sound. Answer is one word.
Jafe
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13 answers

6 prisoners, 2 colors, one mute

Just like the classic 4 prisoners hats riddle, here we have 6 prisoners buried to their necks in the ground. They can only look straight ahead so that A only sees B, C, D, E while B sees C, D, E, and so on and F is completely hidden from view. The…
tyobrien
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Confessions of a Riddle Junkie

I'm $\bbox[#fff9c3]{\color{#fff9c3}{\textbf{NO PEEKING!}}}$ and I am alcoholic. I sometimes also take pot; it makes me kind of casual. And crack too, because it makes me highly skilled. As you can probably see, I'm so long it's almost…
Bass
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10 answers

I am hated by the world

They say I am evil: a corrupt influence, a monster. But while it's true that I have many hands and faces, I am no more evil than those around me; I reflect their vice or virtue. Yet still they curse me, submitting me to grisly executions. I am…
SuperWild1
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What xkcd Means

What xkcd Means This is a variety cryptic inspired by the comic "What xkcd Means" (linked above) and the work of Ucaoimhu. It is also an entry into the 35th Fortnightly Topic Challenge: Restricted Title 1. It means saving a few seconds at a long…
Deusovi
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