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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Sequence Pattern Boxes and Dots [closed]
I'm new to this and was trying to get a solution to this without a success.
any thoughts?
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How is the RHS related to the LHS
Please explain the following relationship:
Accessible:
2 --> 18
20 --> 48
200 --> 6
2000 --> 26
How did I arrive at these?
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An interesting Number sequence: 8, 10, 7, ...? [closed]
Let's see how many of you can solve this correctly
I found a number sequence puzzle somewhere in the web with interesting logic and a unique strict solution.
8, 10, 7, 12, 5, 16, 3, ?
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Continue the row of numbers: 1, 3, 9, 13, 65, ...?
Yesterday, I stumbled across a series of numbers that I could not solve. Maybe one of you can figure it out?
1, 3, 9, 13, 65, …?
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rectangles gone black
Based on the sequence of rectangles you see below, which rectangle (A-E) should replace the question mark? Once you figure out what this puzzle is all about you'll know which of the five should ...
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You may need a dictionary
Can you find the missing words (number of question marks equal number of letters)
puzzling - puzzled - perplexed - ??????? - ???????? - ??????? - ????????? - ?????????? - ?????????? - ???????
using ...
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Given the length of sequences with different seed values, what comes next? 1, 2, 4, 5, 11, 22, etc
Edit: Apparently this site has had a few too many what comes next puzzles without anything to go off of so I've decided to make this a different albeit a bit easier puzzle.
Sequences generated by a ...
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1, 2, 3, 10, ... Another find-the-next-number-in-the-sequence puzzle
Can you spot the pattern and continue the following sequence?
1, 2, 3, 10, 12, 16, 25, 37, 55, 81, 100, ...
Hints:
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Only Connect - all at once!
This puzzle is part of the Monthly Topic Challenge #9: Game/Quiz Shows.
Did you see the glitch on Only Connect last Monday?* The one where all four of the rounds got merged into one?!
Effectively, ...
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Same sequence interwoven with itself creating groups
If we take all the digits from 1 to 9 and lay them out in order.
123456789
Now repeat the sequence and add it to the end.
123456789123456789
Now let's copy and reverse everything to create a second ...
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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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What words come next in the sequence?
Try to figure out the next five words in the sequence.
Alpha, superb, succumb, economic, signed, shelf, corgi, within, improv, origami
Good luck!
Hint:
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Next word in this progression
Given this ordered set of six words:
Adapt, Abbreviate, Cacao, Forbidding, Queue, Daffodil
You must discover the logical progression they follow and choose the word that should go next. Options are:
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A-Z related to countries
Explain this special list of -- (-) ----- and replace the question mark with the correct answer.
...
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please Extend this list of Units
Given the following list of four corresponding series of numbers, what would the fifth line look like?
1 : 1.4 / 3
2 : 3 / 2 | 1 : 2 / 6
2 : 3 / 2
1 : 2 / 3
Hint 1: This puzzle was inspired by the ...
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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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Odd one's out (sequence)
Once upon a time, there was a curious mathematician named Friedrich. One day, while exploring a new area of mathematics, he stumbled upon an intriguing sequence of numbers:
0, 1, 2, 2, 4, 3, 3, 4, 4, ...
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A Weird Sequence
Today, I was in Rome for a vacation. The most peculiar thing happened. A gnome walked up to me. Uttering no words, it handed me a slip of paper.
0, 1, 1, 2, 3, 2, 5, 5, 5, 9, 4, ?
Naturally, I was ...
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Another predictable sequence: 1, 1, 2, 2, 1, 17, etc
This puzzle is part of the Monthly Topic Challenge #6: Is it really that [time] again?.
Can you find the pattern? Note: The next number hasn't been worked out yet.
...
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What are the missing numbers in the circle?
Given the following diagram, what are the missing two numbers in the last figure?
This is from a mathematics book for primary school
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Twelve numbers omitted
This is the beginning of a simple sequence.
NO Computers or special knowledge are required.
Insert the missing numbers. Explain how the sequence was generated.
Note: the line breaks can be ignored, ...
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Panini Linguistics Olympiad: Genes from Space
Problem:
Alien Protein Codes
Dr. Muzabique figured out how to manipulate six alien proteins to do three functions: construct, cut, and pack. The alien genetic code used to manipulate the proteins was ...
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Will the sequence ever change?
Here is a sequence that seems to go on forever. Will it? Will this sequence ever change?
1,2,3,1,0,1,2,3,1,0,1,2,3,1,0 and so on
What does this sequence relate to?
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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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Self and Earl Bird numbers: are there infinitely many natural numbers that are both?
Self-numbers (A003052 in the OEIS) are natural numbers which are not the sum of a smaller number and the sum of its digits. Early Bird numbers (A116700) are numbers that occur ahead of their natural ...
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Sergeant Sequence brings in the analysts
This puzzle is part of the Monthly Topic Challenge #5: On-and-onograms
"We've intercepted another message, Chief."
"Good work, Sequence. What does it say? Where is Terne now?"
The ...
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What’s another year to the Moroccans?
Here are some rileys, which lead to a thing, or more properly a Thing, which will be happening, um, come December. So hear the joyous songs of rileys!
(Huh? Oh yes, yes… HOW DID I FORGET THAT?)
...
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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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Sergeant Sequence leads the way
Sergeant Sequence entered the Chief Investigator's office to find his boss in some agitation.
"Patrick Terne is on the move again, Sequence," sighed the Chief, "and once more I find ...
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What is the sequence?
The following 5 sequences of base-10 numbers all follow the same pattern, and converge at 14,.
What is the pattern and which number is next?
1,5,10,14,23,...
2,6,10,14,23,...
3,9,14,23,...
4,9,14,23,.....
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Mom Got Me Shoes For My Birthday
What number must replace the question mark below?
218
19
780
17
11
9,000
301
6
8
600
?
80
70
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An increasing decreasing sequence
In math, there are all kinds of sequences
1545, 1218, 1071, 921, 851, 832, 799, 793, 774, 745, ... is (the start of) such as sequence
What is the best number?
Note:
Even in math things change, so ...
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Yet another sequence with letters and a question mark
A quick one.
What is the next element of this sequence?
v, u, s, p, l, g, a, Z, R, I, ?
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Sergeant Sequence faces his toughest (IQ) test yet
This puzzle is part of the Monthly Topic Challenge #2: IQ Puzzle Parody
Lando had never felt so nervous. The Badger and Biscuit's 'KWIZ NITE' was only minutes away from starting, and he had just ...
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Radical IQ challenge
This puzzle is part of the Monthly Topic Challenge #2: IQ Puzzle Parody
Can you find out the next one in the sequence, how it's different to the ones before it, and explain the pattern?
1
10
11
20
31
...
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Decode 'xorarlpziebpwanywxnf' to find the hidden message
Try to find the hidden message in the text:
xorarlpziebpwanywxnf
These seemingly random numbers will help you solve the puzzle:
...
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What is the next word in this long sequence?
Which one of the four answers fit the word sequence below and why?
Am
As
On
An
Or
Or
On
?
Four choices: 1. At 2. Or 3. Law 4. Over
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A strange number pattern, isn't it?
This looks like a strange number sequence to me. Or is it?
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 20 21 22 23 24 25 27 28 29
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 ? ? ? ? ?
So what are ...
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Palindrome from the first 16 *roman* numbers
Can you concatenate the numbers from I to XVI in some order, such that the resulting 38-letter string is a palindrome?
This puzzle was inspired by a recent puzzle by Dmitry Kamenetsky.
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Gah, these number sequences are just too boring!
Gah, these number sequences are just too boring! You just plug them in and then you're done!
There is a function $f : \mathcal{S} \to \mathbb{Z}$, where $\mathcal{S}$ is a finite subset of the ...
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What's the next symbol in the sequence below in the picture? [closed]
I was given this puzzle today and I'm completely stumped on what the missing symbol would be. Does anyone know what it is and can explain how they got it?
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A Simple Sequence (405, 360, 0...)
The answer is a relevant word; no computer needed
Numbers are approximate
405, 360, 0, 180, 360, 270, 190, 360, 0, 0, 180…
405, 80, 190, 90, 360, 0
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What is next in the sequence of dot arrangements?
Given the 3 arrangements, identify the next in sequence.
Reference: Book on Quantitative Ability and Puzzles for Competitive Exams, India.
I have the correct answer, will edit the question once it ...
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What is this sequence? 1, 11, 21, 22211, 33221
In this sequence:
1, 11, 21, 22211, 33221, 433332211, 44444444332221, ?
Can you guess the next number? What is this sequence?
Hint 1:
Hint 2:
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How do you go from 2021 to 2022?
Below a path is shown that goes from 2020 to 2021.
Following the same path, how do you go from 2021 to 2022?
2322, 2302, 2012, 2020, 2028, 2025, 2024, 2029, 2021, ..., ..., ..., 2022
Fill the gap.
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Numbers, Racked Up
What does this list of numbers represent?
16
5
0
3
11
2
2
5
5
1
2
3
7
4
14
4
1
1
3
4
6
0
2
2
3
1
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What should be the most logical and appropriate 9th term in this sequence?
Consider this sequence
3, 5, 10, 20, 39
What is the pattern? I initially thought it might be a pattern of *2-1, *2,*2,*2-1 (a group of *2-1,*2,*2 repeating itself), but don't think this is a valid ...
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Find the pattern in this encrypted sequence
Fill in the question mark in the sequence:
tfgz,
aqt,
its,
pxoii,
xhfa,
nlif,
nxi,
ezfzh,
cqiob,
ctcm,
swyvyus,
frifri,
zpfhdz,
bfkztlkk,
mhztmbx,
rzboekb,
?
Hint 1:
Hint 2:
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Complete the rest of this seasonal sequence
Usually I don't like this kind of "guess the next terms" puzzle.
But at this time of the year I wonder whether it makes sense to post such a question.
So here is the start of a sequence:
$$...
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