# Questions tagged [sequence]

A puzzle about sequences of symbols, elements, or other objects.

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No idea why my dad dragged me into this place. Some guy is performing on the stage. He's reading numbers out loud. I think it's some kind of a sequence puzzle. 1... 8... 9... 16... 17... ...
3k views

### 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 ...
2k views

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

Finally, someone has figured it out. Good job.
2k views

### There are fifteen triangles, what is the sixteenth?

This is "fifteen triangles": ▲ ▼ ▲ ▲ ▼ ▼ ▲ ▲ ▲ ▼ ▼ ▲ ▲ ▲ ▼ ? Each triangle points up or down. What the "?" figure should be and why?
312 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 ...
504 views

### 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 ...
640 views

### Basically Binary but Boldly Baffling

Another image sequence puzzle inspired by @Conifers, enjoy ;D Colorblind-friendly version Clarification: one or more tag(s) has been deliberately omitted to enhance the difficulty. Hints 1 2a 2b ...
719 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:
421 views

### Spot the pattern. There is none

Look at these pictures: What's the next picture? As requested, bellow is a set of possible answers. You don't have to look at them to find the correct answer.
7k views

### IQ-test-type question - sequence of large triangles with black and white small triangles in them

This puzzle is said to be from a Russian test and has an obvious but not fully fitting answer: The task is to find correct picture to replace question mark. The "obvious" pattern is But of ...
373 views

### It comes full circle

Top, Middle, Bottom, Double-Right; Double-Right; Up Left, Middle, Double-Right; Double-Right; Top, Middle, Bottom, Up Left, Down Right; Top, Middle, Bottom, Up Left, Double-Right; ??? What would ...
672 views

### This puzzle is a loss

What should replace the question mark on this list? JBNRS, HF, GM, JPD, VL, AELMP, MS, WB, CB, GS, EC, SV, PD, PEJP, ?, … Hint, added later: Hint, added even later:
2k views

### What is the next number in the series?

What is the next number of this series? 1 , 4 , 5 , 6 , 7 , 9 , 11 ?
452 views

### 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. ...
385 views

### A simple twist on a classic puzzle

Given this sequence: 0, 4, 84, 212, 1940, 358036, 14113428, 127377044 What is the next item? Hint: Hint:
2k views

### I bet you can't find the next number in this sequence

Find the next number in this sequence. 9, 72, 16, 83, 33, 33, 36, 37, 32, 65, ?
1k views

### What's next? Think laterally

What is next in this sequence? V I V I I I V I I I I I V V I I V I V I I I I V ? Answer is one of the following three options A: I I I V I V I I V B: I I I V I I I I I I V C: V I I I V Hint Not a ...
276 views

### Finger sequence – find the continuation

Pick the correct continuation for the sequence. Options: Hint:
240 views

### A sequence of three letter words/abbreviations

I have ten three letter words/abbreviations in a sequence, numbered 0-9, each of which differ by precisely one letter from their previous and next words. Here are clues for each of the words: The ...
442 views

### I shouldn't have asked him.. again

My roommate (rm) always looks busy in front of his laptop, so I try to start talking to him Me: Hi, the last time we talked you told me your favorite book, and I like your taste! it's a very good ...
1k views

### The end of the life!

$1\ 16 \ 41 \ 55 \ 79 \ 90 \ 103 \ 120 \ 123 \ ?$ What is the last number in this different sequence! If you find it, it will be the end of the life!
214 views

### What's the order?

Below are five sequences of the digits 0-9 but each have been sorted based on a single criterion. 1) $1260459378$ 2) $1742350698$ 3) $0152469378$ 4) $5463728190$ 5) $1235904687$ Name the ...
396 views

### 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:
836 views

### Find the element that does not fit the pattern

These 12 elements form a set with a certain pattern, but there is one element that does not fit. Which one is that? HINT HINT 2
767 views

### 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 ...
258 views

### A Pixelated Sequence - Find the Continuation

A late question inspired by Finger sequence – find the continuation How should the grid above the '10' be coloured?
764 views

### Finding the missing Symbols

_ # – _ _ # # – ? _ # – _ _ # # – = # _ # – _ _ # # – ? _ # – _ _ # # – = # _ # – _ _ # # – ? _ # – _ _ # # – _ # – _ _ # # – ? _ # – _ _ # # – = # Which two ...
279 views

### How is BABBAB formed

$[A ...] \to A [...]$ $[B ...] \to B [S [...]]$ $[S A ...] \to B ...$ $[S B ...] \to A [S ...]$ $[S] \to B$ $[ ] \to$ (E.g. $[AAB] \to AABB$) But, $[????] \to BABBAB$ Bonus puzzle:
412 views

### Missing element of the sequence

Could you find the missing symbol in the sequence shown below? Hope you like :-)
1k views

### Nine, Seven, Gibberish, then what?

Here's a sequence: What is the next item? Here are possible answers (but you don't need to look at them to figure it out): Update
3k views

### 20 cards facing down

You have a row of $20$ cards facing down. A 'move' consists of the following actions performed in sequence: Pick a face-down card and flip it face-up If there is one, also flip the next card on ...
331 views

### Who started it? And who did not?

The question is: Who started it? And who did not?
213 views

### $a_n = 2n^2, n \geq 1$ (modified)

The puzzle asks to determine the next term in the sequence 2, 4, 8, 0, 0, 16... a. 32 b. 18 c. 20 d. 24 e. 0 The obvious answer for me would be 32, with these zeros serving as the "neutral ...
182 views

### What will be next at the bottom row and why?

There is a stack made of 6 squares. As you can see there are yellow squares between red ones. The question is what will be the next row like? And why?
338 views

### That letter sequence started so nicely

Find out how the following letter-sequence is constructed: ...
11k views

### Find the missing number (triangle)

Find the missing number (triangle) Options: 9 8 7 10 Please write the logic also.
1k views

### What is the missing number and the correct sequence?

I have a riddle, you might wanna help solve. Just imagine, we would like to change the sequence (that works very well now [in German there is the term "funktioniert 1A" - which translates ...
318 views

### Fill The grid - 3.0

Can you fill this grid ? Version ($\pi$) In text: ?14516 243748 120581 17186? 01?857 HINT 1 HINT 2 HINT 3
148 views

I have 9 boxes, every turn exactly 4 of them will be shaded. Given the following sequence what will be the results for entries 9 and 10.
2k views

### Tough pattern questions

I can't fathom any kind of pattern in these questions. The test is over but i'm curious to know how it should be solved.
186 views

### Trees and dates

A friend of mine in Sydney, Australia, asked for help in explaining these stones. I don't know if this is really a puzzle, but he's definitely puzzled. In one of our local parks someone has put ...
226 views

### What's the next letter?

Can you determine which letter comes next? In text U R R R A U ? HINT 1
123 views

### A Sequence Riddle [duplicate]

Here is a list of numerical sequences: 1, 3, 5, 4 2, 3, 5, 4 3, 5, 4 4 5, 4 6, 3, 5, 4 ...and so on. (1 is 3 and 2 is 3, but 1 is not 2 and 2 is not 1. The same rule applies to every number in the ...
196 views

### Computer sequence

You have created a computer, but it is not working, only printing sets of 4 characters in a sequence. If you can predict the next 3 sets, then you can restart the computer and set it up so you can ...
194 views

### Find the next number in the following sequence [Mind bender]

I came across this sequence in the paper: 109080, 12123, 1350, 153, ? What could be the next number? And what is the pattern that connects these numbers? Dividing a term by the next term leads to a ...
382 views

### A Legitimate Sequence

Choices: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Sequence: D G A B I L F ? ? As long as you can count you can solve this puzzle. So what could the next letters be?
885 views

### Can you find the value of the question mark$\color{red}?$

Puzzle: Find the value of the question mark $\color{red}?$. $$(2, 13, 47)$$ $$(5, 7, 19)$$ $$(8, 1, \color{red}?)$$ Hint 1: $\color{red}?$ is a prime. Hint 2: $\color{red}?$ is a cyclops. ...
844 views

### Bunch of letters? It is all Greek to me

I found this paper on Grandpa's desk with a bunch of letters, big and bold, with a question: Which two letters come next in the sequence? He even wrote down four choices Which two letters go next? ...