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Questions tagged [number-sequence]

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

10
votes
1answer
743 views

Calling all number sequence lovers!

What number follows in this sequence 93 1 855 45 593 500 241 ?
1
vote
0answers
39 views

Sequence puzzle in rows [duplicate]

The below is a number puzzle. It should be read left to right, top to bottom. Question 1: What is the next two rows of numbers? Question 2: How was this reached?
8
votes
2answers
795 views

Which number replaces the question mark in the circle?

While solving the number puzzle, I couldn't find any solution for this problem. Please help me solve it and briefly explain your answer. Which number will replace the question mark in the circle below?...
7
votes
6answers
2k views

Through which number we can remove the question mark?

I'm trying to solve this puzzle but so much confused and can't understand even.Please help me to solve this puzzle and also explain briefly.
10
votes
1answer
1k views

Which two numbers replaces the question mark?

I was solving some number puzzles. I am finding difficulty in solving this puzzle: which two numbers will replace the question marks? I need answer with explanation.
9
votes
1answer
257 views

Replace ? by number

This chain of numbers is making confused.Help to find the answer with explanation.
0
votes
1answer
131 views

Number puzzle - Next number in the sequence

I did a puzzle that made me calculate the last number, and I couldn't figure it out so I looked at the answer, but still don't understand how I get to that answer. Number sequence is ...
1
vote
0answers
134 views

Sequence of numbers 6

Fill in the correct number in this sequence: 3 4 2^2 5 10 60 ? Source: a publicly available practice test in a book for an IQ-test I got via a friend in ...
1
vote
2answers
271 views

What is the next number in the given series?

I know that next number questions are not popular here, but this one is tough and I couldn't figure out the pattern. To give an idea one of the questions had a pattern of Prime(Fib(n)). So this is ...
-5
votes
2answers
65 views

MATH PUZZLE ABOUT SEQUENCE [closed]

In the array of numbers below, each number above the bottom row is equal to three times the number immediately below it. What is the value of x+y? ...
0
votes
3answers
241 views

What number should be next? (hints added) [closed]

1 2 3 4 5 10 13 22 103 □ Identify □ one more number added due to OEIS hint 1 : hint 2 : hint 3 :
0
votes
4answers
305 views

What number should come next?

1 3 10 12 14 21 ◇ Identify ◇
5
votes
2answers
179 views

Puzzle in a Newspaper

The newspaper I got this morning was a little off, to say the least. The main headline proudly read: Horse squeals eight times, dubbed "octsqueal" Well, I decided to ignore that, and head over ...
8
votes
3answers
2k views

FBI number riddle

A friend sent me this riddle and I can't figure out a solution: January = 251017 February = 25628 March = 81335 April = 12145 May = 251353 June = 51064 July = 251074 August = 20186 ...
6
votes
1answer
83 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 ...
36
votes
2answers
3k views

It's my birthday

Just like last year, my age is a number you can score with one dart. The year before that, it wasn't, and it won't be next year. How old am I?
0
votes
1answer
150 views

Ad-hoc number sequence to solve 3

Learning from each prior question I've designed. Working toward a standard-style question, though not quite there yet. In the interim, here's a tester.. 12, 15, 19, 29, 44, 51, ... ? Your options ...
2
votes
2answers
129 views

An ad-hoc number sequence to solve 2

Continuing on from my last effort, let's try something new. "7, 14, 29, 62, 132," have I, but now what should I do? Which number comes next? Hint - mouseover if you want to see the next number in ...
6
votes
1answer
182 views

An ad-hoc number sequence to solve

Inspired by another question here, I thought I might create my own: Fill in the correct number in this sequence: 5, 3, 4, 9, 8, 3, 5, ... And of course, explain why :)
2
votes
0answers
205 views

Number sequence 5

Fill in the correct number in this sequence: 5 3 8 9 1 27 ? The options are: 18, 54, 38, 14 or 13. I can see the pattern of 3, 9, 27 but other than that I am clueless. Source: a publicly available ...
4
votes
1answer
289 views

The triangle-sequence riddle

this is my number sequence: / - / - 1 - 2 - 7 - 6 - ? This riddle has somtething to do with equilateral triangles Good luck and have fun :) PS: please tell me if this is too broad, this is ...
-4
votes
1answer
109 views

The unthinkable sequence

To correctly answer this question, I would like you to include the next 5 numbers of this sequence and also tell me why they are the correct numbers. 3, 4, 8, 9, 14, 23, 25, 31, 36, ?, ?, ?, ?, ? I ...
6
votes
2answers
173 views

Number sequence solving strategies

Number sequences are one of the oldest puzzle categories in the book. You would find it hard to look through a days worth of puzzles posted here and to not find any puzzles that involve some sort of ...
9
votes
1answer
314 views

A game with numbered cards

Alice and Bob have each a number (not greater than 30) of cards numbered sequentially 1 onwards. Alice can easily reorder her cards and place them on a table one after the other so that no two cards ...
-2
votes
1answer
80 views

Complete the sequence if a specific pattern is followed [closed]

1, 4, 9, 18, 35, _ Find the next number if the occurence of numbers follows a specific order
1
vote
1answer
93 views

Can you help me out with this question? [closed]

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 ...
1
vote
1answer
203 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 ??? ...
19
votes
5answers
705 views

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
281 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
131 views

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

Find the next number in the series. 7726, 635, 64, 9
4
votes
1answer
118 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
181 views

A Number Pattern Puzzle

I can't crack this one. Any help is appreciated,
5
votes
1answer
389 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
196 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
85 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
565 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
66 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?
12
votes
5answers
323 views

Whic to erms bgn a f - l qu?

Whic to erms bgn a f - l qu? ...
3
votes
2answers
669 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:
1
vote
1answer
104 views

Find the next number in order [closed]

Find the next number in the sequence 9, 73, 241, 561, 1081, 1849,____
3
votes
7answers
625 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
181 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
277 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
321 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
54 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
93 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
99 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
279 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
172 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
63 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, ?