Questions tagged [number-sequence]

A puzzle that asks for the pattern in a given number sequence.

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7
votes
0answers
233 views

Sequence Puzzle - First Question of 42

Professor Tera was walking on Connecticut Road, where there are some public restrooms. Tera saw some students standing in a row. They seemed to be playing a game called Evolution. And it looked like ...
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2answers
332 views

Can someone tell me what is next in that 3 sequences?

I'm looking at three sequences from the test at http://free.ultimaiq.net/nse.htm. I managed to answer 27 of the 30 questions, but I'm really curious about the other three. Q6: 1001, 4524, 4299, 3984, ...
7
votes
1answer
183 views

Board of Important Numbers

I was visiting my cousin, a mystery writer and lover of puzzles, when I noticed this list of numbers on her white board. 13,814,070 26,818,110 86,811,060 18,819,190 10,914,190 33,915,010 36,912,211 ...
10
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6answers
2k views

A tricky batch of four number sequences

What are the next few numbers in each of these integer sequences? Each of them has a clear and justifiable solution. 1, 2, 3, 5, 8, 9, 12, 20, 21, 22, ??, ??, ... 50, 49, 48, 46, 45, 44, 43, 38, ..., ...
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0answers
38 views

Is it possible to create a bot for Kami [duplicate]

Not sure if this is the best place to ask this question (or game theory). There's a mobile game called Kami where you have to make the screen one color. The initial state is a series of different ...
8
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0answers
279 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:
0
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1answer
89 views

Weird Sequences [closed]

Found this weird sequence: $$8110423, 259974, 9814143, 5512166, 113322, ?$$ The possible answers are: a) $334455$, b) $7911132$, c) $9841233$, d) $872236$. The correct answer is b), but I can't figure ...
6
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1answer
665 views

Formula One (?) Hard Puzzle

On a website I use to go, one of the writers gave this hard puzzle: What are the meaning of those numbers given they are not Norwegian coordinates. 60.6604211,10.7210713 I have no clue how to solve ...
10
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4answers
431 views

This number sequence has entered my life recently

Just recently, I've noticed this sequence of numbers has become a pretty big part of my life. It goes like this: 1, 2, 4, 6, 9, 12 So here's the mystery: What is this sequence? Where do I keep seeing ...
0
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1answer
128 views

in the sequence 1,11,21,1112,3112,211213…, what comes next? [duplicate]

find the next number in the sequence 1,11,21,1112,3112,211213,... think about all of the numbers and the number after it it is not 311223 you need think outside the box this is not a math question
5
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1answer
165 views

Finding next number in the sequence problem

5, 10, 6.5, 8.5, 8, 7, 9, 5.5, 5, What is the next number in the sequence?
1
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1answer
57 views

Takeaway bonanza

Take away 1, I am even Take away 2, I am 22. Take away 3, I am the seasons. Who am I? Who may I be? Good Luck! First sentence hint: Second sentence hint: Third Sentence hint: It should be ...
7
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1answer
878 views

Unable to solve a question asking to find the missing number in sequence

I am trying some quantitative aptitude questions and I am unable to solve this particular question: Unfortunately, I have no clue how it can be solved; I am not able to start. However, I know the ...
4
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1answer
254 views

What is the maximum length of sequence where the sum of 5 consecutive numbers in positive and sum of 8 consecutive numbers is negatve

What can be maximum length of such sequence? Hint one such sequence is
3
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1answer
204 views

Is this Series limited to six numbers only?

May be this problem is already answered. I am not aware. What is the next number in the following series? Importantly, after that number, are there any more numbers? is there a math related reason for ...
0
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2answers
255 views

What's next in this sequence?

Here's a sequence of numbers: 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 4 Will the sequence ever contain "6", and if yes, at which position (assuming the first position is 1).
3
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2answers
264 views

Fibonacci progression

In a number sequence, 1, 13, 169 and 2014 are respectively the first four terms of the sequence. The next terms are equal to the sum of the four numbers that precede them. For example, the fifth term ...
2
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0answers
125 views

Find the next number in the below series

I created this puzzle. Find the next number in the following series: $$0, 1, 2, 2, 8, 36, 376, 16832, 6948320, 119573019392, 832844372118349824, 99591503127864016598742704128, ...
5
votes
2answers
188 views

Find the next number in the given sequence

I created this puzzle. Find the next number in the sequence and the logic behind it. $$2, 1536, 5, 1792, 23, 1184, 53, 1168, 113, 1048, 137, 1384, 179, 1576, 311, 1268, 431, 1234, 719, 2026, 1031, ...
3
votes
2answers
116 views

Find the hidden logic (Easy)

I created this puzzle. What is so special about this number sequence? What is the logic behind this sequence? $$63072, 123172, 123173, 123174, 123175, 123176, 123177, 123178, 123179, 63081, 63082, ...
4
votes
1answer
143 views

A dubious sequence

I created this puzzle. Observe the following sequence carefully. $$\text{men, xomt, asem, nub, chesbet, teht, hat}$$ Now answer this question : Why did I run around crazy after this? What's my ...
11
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2answers
144 views

Look at me - a number sequence

This sequence goes on forever, but here is the first 7 of them. The X's are just there to hide the actual digits. Can you find all the correct digits of the 8th entry? 1024, 90X1X, 25023X, 490364, ...
2
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1answer
104 views

How to understand this line in the solution to this puzzle?

I'm trying to understand the solution to a puzzle named "Expelled," the link to which is here. Most of the solution to the puzzle makes sense to me, except the most important part -- how to determine ...
3
votes
1answer
127 views

What's the sequence in the below 2 grids?

The sequences are different in each grid, can you solve all 4 question marks? Grid 1: Grid 2: Note: Since it are 2 seperate grids, the sequence logic is different.
3
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2answers
155 views

The fun in numbers

A friend of mine gave me this riddle. Find the next number of the sequence: 293, 313, 331, ... Let's see who can do better than I did. Hint: There is a new number:
4
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1answer
331 views

The Invincible sequence

Hint every 24 hours for 3 days. Find the next number in the sequence mentioned below 7, 14, 2, 7, 10, 1, 46, 24, 40, 45, 6, 15 ... Hint 1 Hint 2 Hint 3 Hint 4
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3answers
155 views

Find the relation between these numbers

I've just joined and wanted to contribute a bit myself so here are 3 puzzles my friend made to test me, first two I've solved but third one stomped me, see if you can solve it yourself! First one - ...
8
votes
1answer
195 views

What is the Ternary Sequence™

The sequence below, I call the $\text{Ternary Sequence™}$. \begin{gather*} \text{T}(1) = 1\\ \text{T}(2) = 2\\ \text{T}(3) = 5\\ \text{T}(4) = 5\\ \text{T}(5) = 3\\ \text{T}(6) = 5\\ \text{T}(7) = ...
6
votes
1answer
239 views

Find next number in the sequence

I want to share a question that is created by myself. I will give a hint every 24 hours and my answer in 3 days given that nobody could answer my question. 5, 6, 2, 4, 0, 2, 5, 1, 3, 6...
9
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1answer
316 views

The Very Model of a Number Sequence

Number sequence questions are normally not received well here but I thought this one might warrant a bit more attention as it has the following interesting properties: It is a finite sequence. ...
4
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1answer
122 views

Numbers Relation Puzzle

I've written a numbers relation puzzle, I'd like to share it with you and see what you fellas think. ------ Try to find the relation between the numbers------ Good to know: there are 2 parameters ...
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2answers
181 views

Which number is the car parked on?

Which number is the Land Rover parked on?
7
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1answer
351 views

Encrypted growing sequence

The following sequence has been encrypted: 1-0 3-0 6-1 ...
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0answers
37 views

Brute force a keypad with minimal keystrokes [duplicate]

Senario Say you have a keypad whose password is some two digit code which you do not know, say 34. Entering digits in succession on this keypad eg. ...
20
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2answers
508 views

A real time-waster: the clock of confusion and color

John was doing his math problems like a good child one day until he looked at the clock to see if it was time to sleep. To his dismay, the blasted thing had become another math problem! But this one ...
6
votes
3answers
333 views

Just some simple calculation to return this pattern

Here is a table, inside there are simple operations to perform, but there are also particular numbers that don't have the same logic. So how difficult will it be to find the last number and the ...
8
votes
4answers
998 views

Find the missing number in this transformation

I've recently come accross this puzzle. 2,5,8 = 122348 3,5,4 = 181224 7,4,6 = 352230 5,3,10 = 203340 3,9,4 = ? I was able to figure out 30**40 but couldn't ...
-2
votes
2answers
3k views

Find the missing number in the series: 253, 495, 143,?

Find the missing number in given series: $253, 495, 143, ?$ $152$ $105$ $903$ $374$ Okay, so I'll tell you what I could do: The first number is $16^2-1$ third number is $12^2-1.$ Moreover, the ...
2
votes
2answers
280 views

I made this. Find the missing number

8, 13, 15, 43, 30, 37, 32, 6, 36, 37, 1, 7, 18, 15, ??? Hint 1: Hint 2:
7
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1answer
1k views

Messages I sent

"The number of messages I sent yesterday was less than the messages I sent three days ago, and more than the messages I sent ten days ago." How many consecutive days can someone make this statement ...
3
votes
1answer
137 views

Filling the table of numbers [closed]

Given the following table: I have already found the first 4 digits: $6\cdot 3 = 18, \ \ 6\cdot 2=12$ and therefore, the first 4 digits are $1812$. I cannot determine how to continue... Any help is ...
4
votes
1answer
128 views

Complete this sequence

What are the next items of this sequence? $1101$, $31$, $21$, $15$, $13$, $\dots$
4
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1answer
236 views

Novel integer sequence problem?

In the following sequence, what should be the next number? 1 1 1 2 5 1 1 2 2 4 5 8 17 50 11 ?
5
votes
1answer
218 views

2020!(Not exactly though)

The images in the rectangle will help you replace the question marks with the correct numbers!
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0answers
88 views

What could be the answer of this maths puzzle? [closed]

Found this puzzle online. Tried many possible combinations of numbers with multiplication, addition etc. Has anyone ever solved this?
-2
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1answer
100 views

What does this sequence of numbers represent?

1, 2, 4, 7, 11, 16, 22, 29, 37, 46, 56 There is one specific answer I'm looking for, but you could come up with other things that logically work out.
2
votes
2answers
128 views

Find the next number in the sequence 911, 1921,

The sequence is as follows: 911, 1921, 11191211, 3119111221. Tell me the next number in the sequence and what the pattern is.
7
votes
1answer
283 views

Prisoner Released If ? ??

One day a prison guard noticed a series of numbers scratched on the wall of an inmate's cell. Concerned it was something to do with an escape plan, the inmate was immediately questioned. 0-2-0-4-0-0-0-...
-3
votes
4answers
497 views

What is the missing number and pattern in this sequence?

The puzzle has already been solved but you can still try it just for fun without looking at the posted correct answer. What is the missing number in the following sequence?: 0, 4, 10, 32, ?, 317 .....
0
votes
0answers
115 views

What is the missing number in this sequence and what is the pattern? [duplicate]

0, 4, 10, 32, ???, 317. Note that ??? represents a 3 digit number. All numbers are base 10 so don't bother trying to use other bases. Also, don't use any difference between successive terms because ...

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