# Questions tagged [sequence]

A puzzle about a series or collection of symbols, elements, or other objects, whose chosen ordering obeys a specific logical rule, which is usually to be determined.

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### 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 ...
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### Shapes and letters. What is the missing box?

Finally, someone has figured it out. Good job.
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### 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! ...
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### PSE Advent Calendar 2022 (Day 4): Letters to Father Christmas (Sgt. Sequence Fan-Fic)

This puzzle is part of the Puzzling Stack Exchange Advent Calendar 2022. The accepted answer to this question will be awarded a bounty worth 100 reputation.< Previous DoorNext Door > "Good ...
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### The mystery flag

Part two - The mystery flag - twisted Based on these flags: (Count the sun in the Argentina flag as yellow) Which country does this flag belong to? Please explain why EDIT: I added a black ...
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### What is the last integer in this sequence?

Here are the first several entries in a finite sequence of integers. $$31, 45, 71, 89, 91, 94, 111, 112, 118, 121, 126, 131,$$ $$134, 135, 139, 143, 144, 145, 148, 158, 161, 189, 193, 194, \dots$$ ...
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### Chain Puzzle: Tabletop Games #01 - Let's Play

This is the first Chain Puzzle in the Tabletop Games series, in which all puzzles are themed around board games, card games, tile games, and the like. The answer to this puzzle is a thematic word or ...
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### A fortified nonogram

This puzzle is part 21 of Gladys' journey across the globe. Each part can be solved independently. Nevertheless, if you are new to the series, feel free to start at the beginning: Introducing Gladys. ...
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928 views

### 16 number puzzles on a blackboard

I have left you some number puzzles on the blackboard. Solve them and let me know what they spell. Hint:
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### Can you solve this Country puzzle?

Given this sequence of flags, which flag should replace the question mark? Explain. Note: I added 'knowledge'-tag, but it's nothing complicated.
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### E Rebus Unum – a picture sequence puzzle

This is part 42 of the puzzle series Around the World in Many Days. Each part is solvable on its own. Dear Puzzling, Today I have been taking it easy. You might even say it has been a walk in the ...
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292 views

### Finger sequence – find the continuation

Pick the correct continuation for the sequence. Options: Hint:
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### 12 more blackboard puzzles (letter puzzles)

I have previously posted number puzzles. This time it's letter puzzles. Some clues have a Harry Potter theme. Hint: Hint 2: Hint 3:
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### A sequence about you (Puzzling Stack Exchange users)

I have a mysterious sequence for you... $204, 186, 172, 133, 126, 123, 120, 119, 111, 107, 102, 96, 90, 87, 86, 86, 85, 79, 75, 73, 70, 68, 66, 66, 65, 65, 65, 64, 64, 64, ...$ This sequence may ...
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### Had some real trouble with this logical sequence today [duplicate]

Reasonably sure I didn't get the job, but this particular part of their test really baffled me. The numbers of angle brackets in each row and column should probably add up to ten, so the missing ...
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### 90, 135, 180 degrees, but no 225, find the pattern

Source: A question from an online test the psychology department at my university asked test subjects for an experiment. They gave me permission to share the question online. I originally asked my ...
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