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Questions tagged [number-sequence]

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

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-5
votes
1answer
109 views

A number sequence: 3, 26, 83,

Genius level! 3, 26, 83, 1196, 2915, ?
0
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2answers
145 views

Can you find the missing number?

Here's 3 number puzzles/series. I'll give hints tomorrow if noone is able to solve them 11, 31, 71, 91, 32, ? 1, 1, 2, 6, 36, 44, ? IF, 132 = 72 208= 200 390=288 ...
0
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1answer
99 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, ...
3
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3answers
199 views

Find the missing number in the given puzzle

Original image here Source: My coaching DPP (Daily Practice Paper) A) $112$ B) $92$ C) $82$ D) $102$ I found $5^2+3^2-4^2=18,\,7^2+5^2-3^2=65.$ So, $?=8^2+6^2-5^2=75$ which is not in option. ...
1
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1answer
117 views

How do I solve this number sequence puzzle?

I am trying to answer this number sequence puzzle - which of the five potential answers is correct, and why? http://www.admissions.yildiz.edu.tr/images/files/ytuyos2018.pdf
10
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2answers
345 views

What are the next three numbers in this sequence?

What are the next three numbers in this sequence, and why? 110, 150, 230, 350, 550, 910, 1510, 2510... Hint 1: here's another sequence that follows identical rules. Hint 2: here's a third ...
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votes
1answer
108 views

Find the next number in the weird sequence

The following sequence has been made using a specific pattern and the last number is kept secret. We have to find that number along with the pattern followed to make the sequence. 3, 11, 32, 71, ...
6
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2answers
416 views

What is the rule?

I have a secret rule. Can you find out what it is, with this rule, I take in any number, and output two numbers! The answer to this puzzle is the same as the answer to the question: How do I get the ...
4
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0answers
162 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:
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2answers
219 views

What is the next number in the sequence and why?

7 4 11 2 14 5 18 3 21 ? Find the next number in the sequence?
1
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1answer
88 views

Find the missing number (number sequence puzzle) [duplicate]

Find the missing number 56784 = 4 11111 = 0 72348 = 3 88652 = 5 88811 = 6 75213 = 0 65465 = 3 62257 = ? I found this quiz in an archive of our company's ...
-1
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2answers
180 views

Is there any pattern involved in the following sequence? [closed]

Consider the numerical sequence $$800,1600,4800,6400,12000,6400, \cdots.$$ Is there any pattern involved in this sequence? I am very curious to know that. This puzzle is from a FlipKart Daily Quiz. ...
16
votes
1answer
1k views

Find d this ones stumped me help?

This one is annoying me so much. Got this from a maths teacher.
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1answer
126 views

Figure out the pattern

$0,4,8,21,52,65,96$ Given this set of numbers figure out the pattern they follow and write down the next seven numbers in the sequence. Hint:
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0answers
156 views

How do you solve this puzzle? [closed]

I don't know how to solve it. Please help me.
36
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3answers
7k views

What is the next number in the series: 21, 21, 23, 20, 5, 25, 31, 24,?

I came across a puzzle from a workbook for primary school students who wish to sit in exams for enrolling to selective high schools, which asks about what is the next number in the series. What ...
-3
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2answers
247 views

Next number in the sequence?

What is the next number in this sequence? 0, 6, 12, 19, 27, 35, 45, 54, 63, ? Good luck! HINT:
10
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1answer
231 views

The music of the heavens

A monastery has a curious practice: they call it the music of the heavens. The monks cycle through a cave with cups, to a stalactite at the center, which drips water. But this is not a steady ...
1
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1answer
91 views

Missing number in the table [closed]

This is my 3x3 grid: $$\begin{matrix} 2 & 6 & 8 \\ 3 & 7 & 3 \\ 6 & 4 & x \end{matrix}$$ Here x should be replaced with some number. Based on the solutions it should be x=1. ...
1
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1answer
89 views

What number should be in the place of “?”

I'm trying to solve this puzzle. Numbers are at triangle, and I have to solve ?-mark: 5 6 1 7 2 5 ? 7 5 Based on solutions it ...
-2
votes
1answer
425 views

A sequence to continue, if you know how

What's the next number in this finite sequence? 3, 3, 3, 3, 5, 2, 3, 3, 3, 2, 4, 2, 2, 3, 2, 3, 5, 3, 4, 4, 4, 3, 3, 1, 3, 5, 4, 5, 2, 3, 5, 2, 3, 3, 1, 4, 3, 1, 4, 2, 3, ? Hint added later: Hint ...
5
votes
1answer
220 views

What is the missing number in the question mark?

What is the missing number in the question mark? (My own puzzle) $(4, 3, 2),(4, 4, 4),(7, 9, 3),(8, 8, 4),(4, 12, 2),( 5, ?, 10)$ A) $1$ B) $3$ C) $5$ D) $10$ E) $66$ F) $14$
1
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0answers
113 views

What is the next number in this sequence [closed]

3, 8, 24, 72, 213, 668, 2064, 6312, ... What's the next number? This sequence mod 3 is 0, 2, 0, 0, 0, 2, 0, 0; mod 2 is 1, 0, 0, 0, 1, 0, 0, 0; mod 5 is 3, 3, 4, 2, 3, 3, 4, 2. And there seems to ...
3
votes
1answer
227 views

Continuation of a number sequence

What numbers are next in this sequence and why? 2, 4, 6, 8, 10, 11, 10, 10, 9, 14, 9, 10, 14, 14, 15, 16, 18 .... Hint: Hint 2:
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1answer
169 views

Which number is the odd-one-out in the above set?

In this number set there is something common between the numbers that makes them up into a pattern. Which one of these numbers break up the hidden pattern?
4
votes
1answer
197 views

Find pattern for new equation in number sequence

I saw this puzzle on this address. $3+5+7=152181$ $4+5+6=202461$ $3+4+7=122172$ $9+4+5=364518$ $8+6+8=?$ I know that first $4$ digits are $4864$. How could I find last $2$ ...
3
votes
0answers
160 views

Trying to figure a math puzzle/equation for a surprise trip using the date [closed]

I planning a surprise trip for my husband's 40th. He is a math geek. I am not. My plan is to tell him in a series of riddles/puzzles that he needs to figure out. We are going to LA to see his ...
4
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1answer
164 views

What are the missing numbers in this group of 7?

The following groups of 7 number in each line, are related in each line in a unique way: ...
2
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4answers
877 views

What is the question mark?

My friend gave me this sequence of numbers: 3=11 6=12 11=13 14=14 361114=A A=? Which number can replace the question mark?
4
votes
1answer
189 views

Enigma between Colleagues (Part2)

Let's give a second try with something more creative. Here is the sequence : 161 = B 198 = W 173 = ∅ 246 = B 215 = W 227 = B 192 = ∅ 184 = ? Don't hesitate to ...
10
votes
1answer
219 views

Enigma between Colleagues (Part1)

With a colleague, we tried to create enigma to challenge ourselves. Here is our first try, hope you will enjoy it. 4 = 2 12 = 3 19 = 3 24 = 4 47 = 5 50 = ? Hint 1 : Don'...
6
votes
1answer
165 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 ...
14
votes
1answer
1k views

Name These Animals

Can you definitively name these animals? More importantly, can you find and extend the hidden number sequence? With elegant, long ears, precious huge animals need to be protected. Winter predator ...
3
votes
1answer
194 views

Next term of the series

Find the next term of the series $79,95,25,39,99,$____ $(1)$ $117$ $(2)$ $81$ $(3)$ $243$ Source: IBPS PO mains exam in India
10
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2answers
938 views

Somebody hacked my clock

Harvey the hacker hacked my clock. At first, the results made no sense, but I eventually figured out his logic. ...
4
votes
1answer
157 views

Saturdays' Sequences

0.469281 0.267974 0.333333 0.333333 0.666667 0.499346 0.333333 2 2 1 1 2 2 1 3 2 F 0 0 0 0 U P F O X F E 0 0 1 1 2 1 1 Here are 5 intertwined sequences. I will add one sequence each saturday ...
3
votes
3answers
1k views

Find the wrong number in the given series: 6, 12, 21, 36, 56, 81?

The following problem was given to me by one of my friend: Find the wrong number in the given series: $$6,\, 12,\, 21,\, 36,\, 56,\, 81 $$ ? A) $21\,$ B) $12\,$ C) $36\,$ D) $56$ and ...
2
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0answers
120 views

What should be the missing number? [closed]

What would be the missing number?
2
votes
2answers
179 views

How to find number of times sequence element $1$ is approached and from where?

Consider a sequence $1,-1,-1,-1,-1,-1,...,-1$. Start at the first element and move down the sequence according to the following rules: 1) If you jump from a $-1$ to another $-1$, turn the latter into ...
8
votes
2answers
749 views

IX-NAY on the IX-SAY

Will this sequence ever have a 6 in it? 9, 1, 1, 1, 10, 3, 1, 1, 10, 5, 1, 1, 10, 1, 5, 2, 1, 1, 10, 1, 1, 1, 5, 4, 1, 1, 10, 3, 1, 1, 5, 1, 1, 1, 5, 2, 1, 1, 10, 5, 1, 1, 5, 3, 1, 1, 5, 4, 1, ... ...
2
votes
1answer
141 views

What is the missing item in this symbolic or numerical series/set?

Determine the missing item. I I I I V V V V XV XV XV XV XVI XVI XVIII XVIII XVIII XVIII XIX XIX XX XX XX XX ?
2
votes
3answers
165 views

IQ test sample patterns. Can anyone find the missing number? [closed]

I am fully hopeful that you can crack this puzzle. You need to answer with an explanation.
6
votes
1answer
123 views

Number sequence labyrinth

Can you find the way out of the labyrinth ? Rules: Each color you pass is a number (or character) sequence, you have to note the solution of this sequence. When you're out of the maze, your ...
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1answer
110 views

Fibonacci again..Distinct Digits..Detail all your Deductive Steps [closed]

$ABB$ $CDE$ $GFB$ $DPGB$ $QPFR$ $RDFD$
0
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1answer
72 views

The missing number in a sequence [duplicate]

What is the missing number represented as "?" 10,11,12,13,14,15,16,17,20,22,24, ?,100,121,10000
2
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1answer
121 views

Deduce Distinct Digits of the Given Fibonacci Sequence- Detail all Steps

$DEPUS$ $SRST$ $UDQD$ $CTQU$ $DTPR$ $PQR$ $SDE$ $VRR$ $CVV$ $DUU$ $QP$ $TT$
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1answer
71 views

Puzzle on a blackboard [closed]

What is the missing number in the picture above?(question is from some puzzle game) I tried some approaches, but haven't found any meaningful rule..thanks in advance!
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1answer
85 views

Strange? Primes and Palindromes have no business being in this Place?

$1$ $1$,$2$ Good easy start $1$,$2$,$4$ As expected $1$,$2$,$4$,$8$ I know it is going to be easy $1$,$2$,$4$,$8$,$16$ why is he giving this? I got it! $1$,$2$,$4$,$8$,$16$,Prime ...oops!.....
5
votes
2answers
114 views

Mathematical Series

I was just going through some series and came across one which I wasn’t able to solve. The first 8 numbers of the series are: 1,3,7,19,53,153,449,1331,... Can anyone tell me a mathematical formula ...
3
votes
1answer
222 views

The Mathematical Puzzle That Is So Mathematical It Will Blow Mathematical Minds Of Mathematics Away!

Here is a short sequence that I made when brainstorming puzzles: 19 101 920 20009 701 104 403 311 3000000000000000003 ... You need to figure the ...