Questions tagged [pattern]

A puzzle in which you spot the pattern that links a set of given data items (like numbers, letters, music tunes). Usually, you use your insights into the pattern to find one or more new elements of the set.

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REALLY important days in history

@Z. Dailey asks a mathematical puzzle Important days in history... and to come! with a series of dates in years 1973, 1978, 1983, 1992, 2005. My puzzle asks the question: What is the previous date in ...
Haobin's user avatar
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16 votes
0 answers

What does this mathematical operator do?

The solution to this puzzle is one I came up with when working on this puzzle: What is the answer of this math puzzle? For two natural numbers a,b, can you figure ...
PattuX's user avatar
  • 552
11 votes
0 answers

What is a Freecell Word™?

This 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 Freecell Word™. Use the ...
hdsdv's user avatar
  • 5,170
9 votes
0 answers

The highest poem

I am three, often a person, always a digit, and also witout. George POUST was his name. Manufactured by Ford between 1972 and 1976. YMCA was not my first team in my coaching career. Theory of ...
Enigma's user avatar
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8 votes
0 answers

There are 49 cards here. Figure out what the seven facedown cards are and what position they're in

So here's the problem "There are 49 cards here. Can you figure out what the seven facedown cards are and what position they're in?" I have tried about everything in my math tool belt to try ...
Gabriel Horn's user avatar
7 votes
0 answers

Open the French safe

While walking in a small alley in Paris, you come across a safe. The number pad looks like this : There are things on the back of the safe too : "À l'aide du carré 3x3 ci-dessous et des nombres ...
classicalMpk's user avatar
  • 1,016
6 votes
0 answers

What is a Sharp Number™?

This puzzle is based off and inspired by the What is a Word™ and What is a Phrase™ series started by JLee and their spin-off What is a Number™ series. This was originally going to be a challenge for ...
Seggan's user avatar
  • 210
6 votes
0 answers

What are the red, white, blue (and green) numbers?

Some numbers have been partitioned into $4$ groups. You must figure out how the numbers in each group are related, and what separates the groups. Red: $1, 3, 4, 9, 13, 14, 15, 19$ White: $5, 7, 10, 12,...
Display name's user avatar
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5 votes
0 answers

What's in the picture?

Find what is depicted on this picture. Hint 1: Hint 2:
web adventurer's user avatar
5 votes
0 answers

You might dream about this puzzle

Find the pattern between these sets: 1: right, clocks, wings, hearted, yourself, strings 2: psychopath, bishop, withhold, breakthrough, shoplift, hopefully 3: bird, Vienna, tempt, modern, armadillo, ...
poco's user avatar
  • 2,198
5 votes
0 answers

What is a Good Pasta Number™?

This puzzle is inspired by JLee's What is a Word/Phrase™ series and the subsequent "Number" variants. (Actually, I'd originally tried to create a more original puzzle using the same idea, ...
Auride's user avatar
  • 624
5 votes
0 answers

The Jumbled Jaunts of Jormungandr

Jormungandr, the Snakebot of Doom has left New York. The world's armies and air forces have been decimated and cannot stop it. It has moved on from New York, and has flattened the following North ...
Monty Wild's user avatar
5 votes
0 answers

Rare but Abundant in Hill and Hole

I am uncommon, But a worthy goal. Rare but abundant In hill and hole. Who am I? You may already know the answer, so the task is not to answer the riddle per se, but to solve the following 'What is a ...
Amoz's user avatar
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4 votes
3 answers

Solve the matrix #2

Can you solve this one? I'll give a second hint if needed. hint
user avatar
4 votes
1 answer

Find next element of the sequence

Source of the question: Taken from the sub-Reddit r/askmath here: What is the next element of the ...
user85272's user avatar
3 votes
0 answers

IQ test question - squares, triangles, dots

I have this question from a friend. We have no idea where to start. What is the correct answer and reasoning? Source: "Ghid de pregătire pentru concursul de directori/ directori adjuncți din ...
hex's user avatar
  • 41
3 votes
0 answers

Cipher my friend sent me

"The world is: ::: :#: : ::## :### / :##: ##: #:::" My friend sent me it and said the use of the symbols : and # don't matter. It's the pattern that matters. The hints he sent were: (EDIT) I worked ...
GoldHand's user avatar
3 votes
0 answers

How to solve this puzzle?

I have solved the sudoku. Scratching my head on the second part. Any hints? It is not picked from any competition. One of my office colleagues usually post these types of puzzles on emails for fun ...
rohit singh's user avatar
2 votes
0 answers

Digerati IQ test

This question contains spoilers. After making the Digerati IQ test ( there are three questions where I still don't know how they come to ...
Albert Hendriks's user avatar
2 votes
0 answers

Used technique to solve web interface permutation used in linked answer

I would love to get to know how the user 'phenomist' came to his solution (Link) from a technical point of view. Of course I did tried it on my own. I used an interceptor to catch the HTTP request ...
Ignis's user avatar
  • 21
2 votes
0 answers

How to hide coded messages in kaleidoscopes

Has anyone ever made or ever heard of making coded messages using repeating patterns or colors in kaleidoscopes? I had the idea for a project and was wondering if anyone had any experience with ...
Zabrina101's user avatar
1 vote
0 answers

Once, twice, thrice - fantasy story time

I found a puzzle on the web that has very scarce information and not many clues and I have no idea how to approach it. The original content reads like this: Let's get that tadpole out of your brain, ...
WickedCat's user avatar
1 vote
0 answers

Two number patterns (clue: or geometrical shapes)

Solve the series: Series 1: 6 and 1 5 and 2 4 and 3 5 and 1 ??? Series 2: 6 and 1 5 and 2 5 and 1 4 and 3 ???
Erin's user avatar
  • 151
1 vote
0 answers

Find how this finite sequence completes

7 14 31 51 70 81 104 107 129 149 155 175 192 215 238 259 279 299 301 301 314 328 350 372 Inspired by the discussion with the author of, and the clues to its solution are in that discussion: What ...
Nick Myra's user avatar
1 vote
0 answers

What are the patterns in these two matrices?

I found these puzzles on, and could not figure out the solutions to them. Any thoughts? I also posted this on Reddit. Including the link here in case you'd like to see more people'...
SpiritFryer's user avatar
  • 1,269
1 vote
0 answers

Arranging shapes into a similar shape

The goals if possible. Goal 1. In the image there are 12 shapes each containing 15 cells. Take any 3 shapes from the set and arrange them into any new shape, 2 example shapes that you could use are ...
Maff's user avatar
  • 621
1 vote
0 answers

MARRIED : 47 :: BLESS :?

I am preparing for a competitive exam, and I am stuck on this problem which I found in one of the practice test. I found this question on tcyonline. The practice test is not accessible to everyone. ...
mark's user avatar
  • 27
1 vote
0 answers

How would you solve the following Matrix Puzzle by u/---Kyu---?

I've been staring at this puzzle for too long, but I cannot get how it was solved. Based on the comments in the thread, a user identified that Number 1 is the correct answer, with the comment by u/---...
Adib's user avatar
  • 812
0 votes
0 answers

Logic puzzles: Flags and Stripes

Puzzle 1 Puzzle 2 Clues The only instructions given to solve this is that the answer can be alpha-numeric text. Ideas Puzzle 1: 3 flagpoles seem to have top-balls (called a truck), while 3 don't ...
nomad.lw's user avatar
  • 139
0 votes
0 answers

Matrix pattern recognition puzzle with triangles with dots and lines inside

Images are linked from the Swedish study site Anyone who can explain?
Erin's user avatar
  • 151
0 votes
0 answers

What is an EQÜAL WORD (patent pending)

An EQÜAL WORD (patent pending) is a special type of word. You'll know it when you see it. Here are some examples, sponsored by the original, @JLee! It’s based off of the "What is a ___ Word" ...
user avatar
-1 votes
2 answers

Fill the blank with an image that fits into the given set

I tried to make them not too boring. The intended solution is very hard so I tried to slightly hint at it by implementing multiple solutions that lead to the same answer. I also tried to make more ...
Nikita M. Grimm's user avatar
-3 votes
2 answers

The next term is?

A sequence of integers between 0 and 9 is as follows: 5, 8, 1, 0, 1, 8, 6, 2, 4, ? What is the next term? Hint:
Andrew Neate's user avatar
-4 votes
1 answer

The New Mega-Splitter™: What's Next?

Here we have the great pyramid. The brand new 50-50, Out-to-In Mega-Splitter™. Fill in the question marks with the next numbers! All the hints you should need are in the question!
Voldemort's Wrath's user avatar