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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59 votes
4 answers
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Interview Question or Pathbreaking puzzle

I thought this changes the way series of numbers are looked at 1 1 1 2 1 1 2 1 1 Write down the next three lines
skv's user avatar
  • 4,992
41 votes
3 answers
4k views

Determine the algorithm

So I was given this puzzle quite some time ago and just thought it would make a nice addition to this site: Your task is to determine the method how the result is determined from the given number. A ...
ThreeFx's user avatar
  • 2,456
25 votes
1 answer
3k views

Four is Cosmic!

This is a little puzzle I heard a while back from one of my mathematically inclined friends- I get the sense that it's bounced around a little, so forgive me if you've heard it. There is a sort of ...
Patrick N's user avatar
  • 1,790
60 votes
3 answers
288k views

What is the number of the parking spot?

One needs to find the number under the car. Source: unknown
klm123's user avatar
  • 16.2k
21 votes
1 answer
1k views

What is a Rotten 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 Rotten Word™. Use the ...
Engineer Toast's user avatar
18 votes
1 answer
2k views

Introducing "Where?" - a GCHQ word association puzzle

Introducing the 'Where?' puzzle genre – a type of word association puzzle popularised by The GCHQ Puzzle Book (2016). General instructions (adapted from the book): This puzzle type consists of an ...
Stiv's user avatar
  • 138k
13 votes
12 answers
28k views

Mensa online IQ test question - big and small squares on a horizontal line

Doing the Mensa online IQ test at http://test.mensa.no/, I was puzzled by this exercise. I understand that asking for answers like this kind of defeats the entire purpose of the test, but it's stuck ...
burneddi's user avatar
  • 459
66 votes
3 answers
7k views

What is a Shy 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 Shy Word™. Use the ...
Engineer Toast's user avatar
23 votes
1 answer
695 views

Sergeant Sequence takes the case

It was 2am and Sergeant Sequence had been called in to Headquarters urgently. The second he stepped through the door a file was pressed into his hands by the Chief Investigator, who began to talk ...
Stiv's user avatar
  • 138k
19 votes
1 answer
1k views

What is a Triad Phrase™?

Now that you are familiar with Cyclone Phrases™ and Scalable Phrases™, let's look at another kind of phrase. If a phrase adheres to a certain rule, then I call it a Triad Phrase™. Use the examples ...
JLee's user avatar
  • 18.2k
10 votes
1 answer
2k views

The Security to the Party [Part 3] [closed]

A party is being held at a local mansion. The host is very rich and his success is because of one thing — his famous recipe for Spaghetti! The only guests that may attend are people who correctly ...
Kelvin Barsana's user avatar
4 votes
1 answer
2k views

Missing number in this sequence?

I heard this puzzle in a quiz I participated in: 10, 11, 12, 13, 14, 15, 16, 17, 20, 22, 24, ?, 100, 121, 10000 What is the missing number? (You don't need to do any big calculations, and you don't ...
Rand al'Thor's user avatar
58 votes
3 answers
4k views

What is a Cyclone Phrase™?

If a phrase adheres to a certain rule, then I call it a Cyclone Phrase™. Use the examples below to find the rule. Also find the one error in the chart below. (In other words, one of the phrases below ...
JLee's user avatar
  • 18.2k
39 votes
5 answers
4k views

What is a Versatile Word™?

If a word has a certain property, I call it a Versatile Word™. In each of the short, unrelated sentences below, only one of the choices is a Versatile Word™. The sentences are for context only, and ...
JLee's user avatar
  • 18.2k
21 votes
2 answers
7k views

Culture fair question - boxes, angles, lines

Select the correct choice from the bottom 6 options to fill the final box above the horizontal line. I stumbled upon this seemingly difficult question while doing a Mensa practice test. I have since ...
Alexandros's user avatar
11 votes
1 answer
390 views

What is an Unlucky Word™? [duplicate]

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 an Unlucky Word™. Use the ...
user avatar
5 votes
4 answers
3k views

Complete the sequence

As the title says it is a compete the sequence. My thoughts: From all the circle ones that aren't a circle, you can make a circle by rotating the pieces. From all the triangle ones that aren't a ...
user265554's user avatar
5 votes
4 answers
2k views

Logical Pattern

Been staring at this question for 20 minutes and can't come to a reasonable answer, any help would be really appreciated!
kay's user avatar
  • 151
3 votes
2 answers
1k views

The Security to the Party [Part 4]

A party is being held at a local mansion. The host is very rich and his success is because of one thing — his famous recipe for Spaghetti! The only guests that may attend are people who correctly ...
JNF's user avatar
  • 1,290
-2 votes
2 answers
3k views

Petals around the rose

You roll 5 dice and I'll always be able to give a number uniquely-defined by the numbers on the dice. You have to figure out how it works, without looking it up. Here's a couple example rolls: 1,2,3,4,...
warspyking's user avatar
  • 14.5k
55 votes
1 answer
72k views

Grandma likes coffee but not tea

Note: My grandma is a little odd. She only likes certain things. Solve this puzzle by providing phrases that are true. For example: Grandma likes A but not B Grandma likes coffee but not tea. ...
Kevin Rock's user avatar
  • 1,463
36 votes
6 answers
25k views

A funny game you can play with a friend of yours: brain reading

...but first you have to find the solution! Two friends (Andrew and Gabriel) go to another friend (Ellen) and claim to be able to read each other's mind. Ellen doesn't believe that and wants to test ...
Noldor130884's user avatar
  • 1,483
35 votes
3 answers
2k views

Find the missing elephants

Determine color and direction of the missing elephants in the picture. Here's a textual representation of the above. ...
GOTO 0's user avatar
  • 13.5k
34 votes
24 answers
8k views

An Only Connect Wall

The 16 words below may be partitioned into 4 groups of 4 thematically connected words. What are those connections and groups? Text version: SHIFT OPTION RED FLAP BLACK BOOK LANE CONTROL STOCK ...
Jonathan Allan's user avatar
33 votes
4 answers
2k views

What is a Scalable Phrase™?

Now that you are familiar with Cyclone Phrases, let's look at another kind of phrase. If a phrase adheres to a certain rule, then I call it a Scalable Phrase™. Use the examples below to find the ...
JLee's user avatar
  • 18.2k
26 votes
3 answers
2k views

Puzzle: Who is the winner of the Great Puzzling Trophy?

It’s the 10th annual award ceremony for the Puzzling StackExchange community! As the host and his attendants are handing out the awards to the best members of the community, they suddenly realize that ...
AnagramDatagram's user avatar
23 votes
3 answers
2k views

Don't clear your terminal history

You woke up this morning locked in a room. The only apparent exit is a door with a terminal. On the screen you see the following: ...
David Starkey's user avatar
22 votes
5 answers
2k views

What is a Surpassing Phrase™?

If a phrase conforms to a certain rule, I call it a Surpassing Phrase™. Use the examples below to find the rule. Some details to save you time: 1. Font doesn't matter. 2. The number of words ...
JLee's user avatar
  • 18.2k
18 votes
2 answers
898 views

Color Logic - Find the rule

Find the rule specified in the image below. (Where I got it)
u-ndefined's user avatar
  • 5,191
18 votes
1 answer
2k views

What is a Unionized 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 Unionized Word™. Use the examples ...
Rubio's user avatar
  • 41.7k
17 votes
1 answer
577 views

My Lovely Connect Wall

The 16 words below may be partitioned into 4 groups of 4 connected words. Additionally, each of the four groups can be represented by a single group-word. Finally, the four group-words are connected ...
hexomino's user avatar
  • 136k
14 votes
1 answer
1k views

What is a Veteran Word™?

If a word conforms to a certain rule, I call it a Veteran Word™. Use the following examples below to find the rule: Here is a CSV version: Veteran WordsTM, Not Veteran WordsTM AGENT, ASSISTANT* ...
Beastly Gerbil's user avatar
10 votes
5 answers
3k views

Only Connect - Connect Wall #1

There's a well-known British game show called Only Connect, which tests your ability to come up with the connections to things which are very hard to relate. One of the staples of the show is the ...
user avatar
9 votes
1 answer
967 views

What is an Anagrammable 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 an Anagrammable Word™. Use ...
Ankoganit's user avatar
  • 18.6k
8 votes
1 answer
240 views

Piece de Resistance - Ten Quotas. Nine Passed. Your Turn

Ten Quotas. Nine Passed. Your Turn This puzzle is part of the "Piece de Resistance" series. Go back to Part 1 (Ace) for the story.Ace Two Three Four Five Six Seven Eight Nine Ten... Hmm... this is......
Omega Krypton's user avatar
7 votes
1 answer
725 views

What is a Re-Tileable 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 has a certain property, I call it a Re-Tileable Word™. You can ...
CodeNewbie's user avatar
  • 11.8k
1 vote
2 answers
4k views

What is the next number? 24,54,90,120,168,210,240,288,360,440 [closed]

Question : What is the next number in the following sequence? (not finite) $$\large24,54,90,120,168,210,240,288,360,440,\dots$$ My Solution I'm trying a closed form solution I tried computing the ...
Reptilian's user avatar
69 votes
3 answers
3k views

The Sands of Time

There are people who claim that they can look upon the land, and the land will speak to them. I recently got caught in a sandstorm, and particles of sand flew past my eyes. What is the desert saying? ...
Tryth's user avatar
  • 14k
56 votes
4 answers
6k views

The Secret Club

Since I was a kid, nobody wanted me in their super-exclusive clubs... the "House in the Tree Club"... the "Girls Only Club"... the "Whatever you are NOT Club"... but now that I am a skilled (and a bit ...
Hunter's user avatar
  • 2,850
37 votes
2 answers
4k views

Owls at sunset - find the odd one out

Quite contrary to the common belief, owls are very social animals and indeed form flocks or rather tightly bound families with a common social codex. At sunset, they all meet before going on their ...
BmyGuest's user avatar
  • 18.1k
29 votes
12 answers
2k views

Shapes and letters. What is the missing box?

Finally, someone has figured it out. Good job.
Rudy Matunic's user avatar
28 votes
1 answer
1k views

A Company of Thirteen

These thirteen English words share a hidden property: cold, laughter, unblock, word, kill, witch, even, now, warm, oil, talking, potted, corn The list is not complete, there are other words with the ...
Moghwyn's user avatar
  • 3,090
24 votes
3 answers
907 views

What is a Mostly Ruddy 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 Mostly Ruddy Word™. Use ...
Engineer Toast's user avatar
23 votes
1 answer
4k views

Very simple, yet unsolved, sequence of numbers

A simple sequence of numbers, which I encountered during intermediate school, in my math book. Any person that finished intermediate school possesses the necessary toolbox required to solve this ...
RickardNi's user avatar
  • 365
23 votes
1 answer
1k views

A Sequence That Keeps Changing?

So I get this special sequence of "items" as the following: 2 1 3 4 7 8 2 5 2 3 9 But look! If I put some numbers (randomly) in front of the sequence: 3 4 2 1 3 4 7 8 2 5 2 3 8 And yeah! ...
athin's user avatar
  • 34.1k
23 votes
1 answer
2k views

What is a Fortunate 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 Fortunate Word™. Use the following ...
Rubio's user avatar
  • 41.7k
23 votes
2 answers
3k views

What is an Uncopyrightable Word?™

If a phrase has a certain property, I call it an Uncopyrightable Word™. In each of the sentences below, one word is an Uncopyrightable Word™ and one is not. The sentences are for context only, ...
GentlePurpleRain's user avatar
22 votes
2 answers
912 views

What is a Dotted Word™?

This is based on the What is a Word/Phrase™ series of Phrase™ and Word™ puzzles, started by JLee. If a word follows a certain rule, then I call it a Dotted Word™. Use the example word lists below to ...
MikeQ's user avatar
  • 6,830
20 votes
1 answer
872 views

What is an Odious 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 an Odious Word™. Use the ...
Phlarx's user avatar
  • 2,551
20 votes
3 answers
1k views

Bongard n°2: Shoelace

As with my previous puzzle I made the 12 "rooms" larger but kept the same rules. I'm also adding the link to the rules for those that don't know the puzzles Click me! And have fun! Hint: Edit: ...
SilverCookies's user avatar

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