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

1
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1answer
68 views

Can you help me out with this question? [on hold]

I found that 3abc+a+b+c formula is correct first and second triangle. But the result for third triangle isn't in the options. Can you find another solution? Source: It's from an old job admission ...
0
votes
0answers
91 views

Number sequence 3

A friend of mine encountered a number sequence and I cannot figure out what the pattern is. What number replaced the question mark? 8 32 72 222 48 50 272 ??? ...
17
votes
4answers
454 views
+50

A riddle that has been killing me the whole day

So I'm walking around in London and found the following number riddle. The rules say, that what ever pattern you find, must be true for the rows as well as the columns. The answer in level 1 is for ...
3
votes
1answer
254 views

It's almost a cube

What is the next number in this sequence? 7, 10, 12, 19, 20, 30, _____ Note: I added another number as at first the pattern fit this too well. Hint 1:
0
votes
1answer
111 views

Find the next number in the series 7726, 635, 64, 9

Find the next number in the series. 7726, 635, 64, 9
3
votes
1answer
109 views

Length of the Sequence

There's a lot of number sequence based questions on this site. So I'm going to mix it up a little bit. This sequence will repeat eventually. You need to find how many numbers are in the sequence ...
2
votes
1answer
164 views

A Number Pattern Puzzle

I can't crack this one. Any help is appreciated,
5
votes
1answer
376 views

Last sequence puzzle on NSE stuck on

There's another puzzle on nse that I don't know how to do, and the only one besides my other question here. 91420512, 1297514, 35172115, ? Any answer would be ...
3
votes
0answers
157 views

Sequence puzzle

There's another sequence puzzle I found online which I'm stuck on: 452801, 773924, 102410, 471056, ? I figured out how to get from the first number to the second ...
1
vote
1answer
79 views

Number-sequence puzzle

Here's a number sequence puzzle on INSC-2017: 132, 2646, 2128128, ?, 8482124821221022.5 I managed to get some progress but don't know how to complete it (...
4
votes
2answers
539 views

The next number in sequence

We have following sequence: 12345, 33552, 45624, 66345, 73557, 45678, 66885, 78957, 99678 What will be the next number? Answer is known now (@JonMark Perry and @Mark found it). The answer is: ...
-5
votes
1answer
60 views

What is the pattern that describes these numbers? [closed]

Supposed you are given the following numbers: 6 28 496 8128 33550336 8589869056 What's the relation between them?
11
votes
5answers
308 views

Whic to erms bgn a f - l qu?

Whic to erms bgn a f - l qu? ...
3
votes
2answers
337 views

Which number is the odd one out?

Which one of the numbers below is the odd one out and why? 1, 2, 3, 4, 5, 8, 13 Hint:
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vote
1answer
97 views

Find the next number in order [closed]

Find the next number in the sequence 9, 73, 241, 561, 1081, 1849,____
3
votes
7answers
624 views

ContinuE thE sequencE (+1)

Find the correct pattern and continue the following sequence 4, 3, 4, 7, 6, 5, 2, 6, 8, 7, 3, ... You should be able to find at least one hint in the title EDIT ...
1
vote
1answer
180 views

Which number comes next in the sequence?

Hopefully people will find this fun and not too easy. Which number comes next in the sequence? -,-,4,3,6,6,3,13,22,?
3
votes
2answers
270 views

What's the next number in this number sequence?

Find the next number in this sequence: 2, 4, 8, 13, 20, 29, 41, ? EXTENSION: Find the number for the nth term in the sequence (in terms of n). Hint:
0
votes
1answer
222 views

IQ test number sequence

I found this on an online iq test, and am stuck on it: 8442, ?, 20.50.50.5, 4114, 410.251 I have no idea what the dots mean here, I also googled the test and ...
0
votes
0answers
53 views

Another sequence iq puzzle pattern [duplicate]

Here's a sequence puzzle found online, I'm stuck on which I don't think I can figure out, any ideas? 1, 6, 5, 3, 4, 1, 2, 2, ?
-1
votes
2answers
90 views

Mr. Sloane's Tree

Mr. Sloane is a man that likes to draw trees with dots. Give him two dots and he'll draw you one tree, but give him three and he'll draw you no tree. How many trees can he draw with 6 dots? and with ...
0
votes
1answer
94 views

What is the pattern here for numbers

From an iq test online I have trouble doing the problem: 357, 1251, 152, ?, ?, 0 I tried a common trick to ignore the spaces and add commas elsewhere but it doesn't do anything. The answer is ...
3
votes
1answer
267 views

Another mathematical number sequence

Can you work out the mathematical rule for this number sequence? 354, 72, 345, 132, 6, 216, 9, 729, 354, 72, 345........ Hint 1 From time to time hints will be updated until solved. Note: this ...
0
votes
1answer
170 views

What number comes next?

3, 1, 4, 8, 8, 21, 21, 62, 128, 190, 430, 831, ? Find the number that comes next. Hint 1: Hint 2: as nikki pointed out my earlier sequence had some mistakes, this is the corrected sequence, i will ...
4
votes
1answer
61 views

Which number comes next?

This one should be easy. Easy as pie. Unless you think too hard. 9, 5, 3, 5, 6, 2, 9, 5, 1, 4, 1, ?
7
votes
2answers
159 views

Find the right triangle number

Here is my first try at a puzzle. Find the missing number. ...
-3
votes
2answers
117 views

Guess the number sequence #2

What's the next number in the sequence and what is the link? 1 | 5 | 10 | 25 | 50 | 100 | 200 | 500 | 1000 | 2000 | 5000 | ?
2
votes
1answer
104 views

Guess the number sequence #1

Find out the next number in the sequence. 2 - 6 - 39916800 - 6227020800 - 355687428096000 - ?
6
votes
3answers
200 views

What's the secret text?

Poem: The sequence leads you there The "shift" is not that rare It is ancient, you will see Jupiter is the key 14 15 92 65 35 89 79 ?? OGSULLOIOGRREYSGXZ Hint Big Hint
-2
votes
1answer
166 views

Are they buffalos? No, they're something slightly different [closed]

Given the numeric sequence: 344865 78930 136275 152340 Is the next number in the sequence: a) 82770 b) 340545 c) 271125 d) 75060 The title is, as always, a hint. Here's another: EDIT: Changed ...
1
vote
1answer
75 views

A second number sequence

I really have no clue how to solve this. I see no pattern at all. I treid difference, multiplication yet I see no pattern. Fill in the dots: 11 21 23 17 ... Possible answers: 11 3 9 1
3
votes
3answers
220 views

Sequence of numbers

I can not figure this sequence out. I have tried looking at the differences or differences of differences. Fill in the dots: 83 80 84 83 88 95 ... Choose one of the following answers: 87 95 91 83 ...
1
vote
1answer
135 views

Missing number in 5-cell grids

Find the missing number in these grids. I was unable to find any pattern. Choices: 9 6 8 4 source: Borhan Motevasete magazine, Oct. 2007
11
votes
1answer
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, ?
0
votes
1answer
91 views

Another sequence of numbers [duplicate]

Here at Puzzling there are many sequences of numbers already. I come up with another one, that I haven't found so far. ...
5
votes
3answers
176 views

An Identifiably Very Uncomplex Puzzle

This is a relatively easy puzzle, but I thought I might share it anyhow. If 5 is 4, 6 is 9, and 7 is 5, what is 8? Hint 1: Hint 2:
3
votes
1answer
124 views

Historical Sequence

What is the next number in the sequence? 10, 5, 9, 7, 6, 5, 7, 5, 8, ? Hint 1: Hint 2:
0
votes
3answers
267 views

Obscure IQ test question

I stumbled upon this (probably simple) mathematical matrix I just couldn't solve. The problem is I came up with the answer 12 (which isn't one) and now I am so fixated on that that I am having ...
6
votes
1answer
253 views

What are the missing digits?

What are the missing digits? |3|2|2| |1|8|8| |?|2|8| |2|4|4| |9|2|2| |2|5|?| I was given this puzzle by a friend and I just can't see anyway to solve it...
7
votes
1answer
150 views

It's getting harder and harder for my friends to like me

What is the next number in this sequence? 2, 3, 6, 7, 9, 18, 25, 27, 54, 73, 97, 129, 171, 231, 313, 327, 649, 703, ... ? Hint 1 Hint 2 This is my first puzzle and I'm new to PSE, so feedback is ...
0
votes
3answers
243 views

What's the next number in the list?

What's the next number? 8, 20, 40, 68, 104, 122, 170, 226, 290, 362, 442 EDIT (since we already have some answers below which assumed the next number correctly) ... For the record, here are some ...
3
votes
3answers
149 views

What are the next two numbers in the sequence?

What are the next two numbers in the sequence? 0.5 / 0.5 / 1 / 0.5 / 2 / 1.5 / 0.5 / 0.5 / 1 / 0.5 / 2.5 / 2
4
votes
2answers
802 views

What are the rules here?

If you follow our rules, and you start with 1 and 5 then it goes into 1, 5, 1, 3, 1, 1, 1,... If you follow our rules, and you start with 14 and 2 then it goes into 14, 2, 10, 2, 6, 2, 2, 2,... ...
3
votes
2answers
231 views

How to play this game?

If we play the game with 7, 5, 3 and 2: 727272... If we play the game with 2 and 9: 292929... If we play the game with 9, 3 and 5: 953953953... If we play the game with 3, 9 and 5: ...
-1
votes
2answers
313 views

What number completes this sequence?

What number completes this sequence please? 1, 2, 68, 14, 21, 89, 49, 56, 37, 95
1
vote
2answers
152 views

What would be the next step?

How is this constructed? What would the next step look like? 06, 12, 14, 228, 456, 812, 1024, 3048, 6, 1, 2, 5, 1, 2 HINT:
3
votes
1answer
163 views

Next number in this sequence?

I was trying this 3,9,18,______,648 What is the missing number? Any hints? I am given options as: 27 324 54 108 I thought of adding the digits and then see a pattern like except 3 all the digits of ...
0
votes
0answers
172 views

Riddle is boggling my mind

I really need help with this. Any ideas? I think it has something to do with 1D arrays, as per the hint at the bottom. 64x10 implies that there is some sort of table? ...
22
votes
1answer
2k views

A brief int counter

The following infinite sequence is used by those taking first steps in maths. 3, 3, 4, 4, 4, 3, 4, 5, 3, 3, 4, 5, 6, 7, ? Find the next number.
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votes
1answer
274 views

Solve the puzzle to complete the sequence

Solve the puzzle with the logic, what should the missing number in the last sequence I found this on Facebook, and I don't know where it came from.