Questions tagged [number-sequence]

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

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3
votes
1answer
417 views

Who are the Missing Members of this Noble Family?

Could you please find the Missing Nobles? $118$, $?$, $54$, $?$, $18$, $10$, $?$
2
votes
1answer
222 views

Mathematical Sequence Based on Prime Numbers

This sequence is based on prime numbers Hint 1: 16, 17, 11, 16, 10, 8, 13, 7, 14, 8, 11, 7, 5, 10, 4, 11, 5, 10, ?, ?, ? What are the final three numbers?
-2
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1answer
200 views

What is the next item in the following sequence?

11111111, 333333, 5555, 77, ? Find the most complete and simplest solution that fits.
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1answer
155 views

What is next: 2, 3, 5, 13, 89, 233, …? [closed]

Based on what is shown, what is the next number in the sequence?
3
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1answer
164 views

Another Number Sequence…Yayy!

Find the next terms and also, explain the logic used for the terms of the sequence. $3,7,11,15,20,27,?????$ Hint : Autobots, This is Optimus Prime.
14
votes
1answer
343 views

What's up with my calculator?

As I am wont to do, I got a new calculator the other day. Obviously it needed a few test calculations: 5 + 6 = 11 22 - 17 = 5 10 + 3 = 13 4 * 6 = 24 OK, so ...
0
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1answer
211 views

Number Sequence Series-Question 8

This is a series of questions that are created by me. Here is question 8: (36),(45),?,(17),(50),?,(29) I will give a hint to you guys if I feel it is necessary. $$$$ You can check other unsolved ...
-4
votes
1answer
130 views

Simple Rule Generates this Sequence from Well Known Number Series

First 6 terms generated on applying the simple rule are displayed here. 5, 8, 18, 102, 322, 1830, ?, ?, ? Hint 1: Hint 2: Hint 3:
3
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0answers
608 views

Number Sequence Series-Question 7

This is a series of questions that are created by me. Here is question 7: (23),(55),(155),(1255),?,?,(56139611) I will give a hint to you guys in one month if nobody can solve it.
3
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1answer
225 views

Happy New Year?

Extend this infinite series by five more terms: 17, 3, 5, 7, 11, 17, 2, 3, 5, 11, 13, 17, 2, 5, 7, 11, 13, 2
12
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1answer
391 views

Infinite Sequence based on Simple Rule

Using one simple rule, an Infinite Sequence has been developed. First 30 terms are given. Can you continue the sequence for at least next Ten Terms? Series continues from top left to bottom right. $...
0
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2answers
138 views

Do you know what's next?

'Predict' the next few (5 or 6) terms of this series. 1, 1, 1, 2, 3, 6, 7, 10, 11, 12, 17, ...? Hint: Who is the 'prime' suspect in this mystery sequence?
1
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0answers
147 views

Sequence of close numbers

I just came up with the following sequence of numbers. 25 26 27 28 30 30 ... They all seem to be very close to one another... but what is the next number in the sequence? And what is the principle ...
6
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1answer
130 views

A very basic number sequence puzzle

Predict the next members of the sequence below and explain what the relationship is. 2, 10, 101, 1211, 14321, ...
8
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1answer
374 views

Number sequence puzzle; 2, 10, 44 (+2 hints)

Predict the next three members of the sequence below and explain what the relationship is. 2, 10, 44, 1012, 248, This number sequence does not appear in the Online Encyclopedia of Integer ...
4
votes
1answer
183 views

Finding a lost friend in a haunted mansion

Whilst staying in a large haunted mansion, Mervin had carelessly lost his friend Debs. She was nowhere to be found, and wasn't answering his calls. Instead of finding her, he discovered this ...
5
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1answer
124 views

Number Sequence Series-Question 6

This a series of questions that are created by myself. Since question 6 is not that difficult I will not give any hint to you guys. Enjoy the test. Here is question 6: 2,6,8,7,5,3,? $$$$ If you ...
3
votes
1answer
101 views

Number Sequence Series-Question 5

This a series of questions that are created by myself. I will give a hint in 24 hours and my answer in 3 days given that nobody could answer my question. Here is question 5: 342,765,?,242325 (It ...
0
votes
1answer
118 views

Fill the grid- 4.0

Grid again !!! Can you find what comes in place of '?' ? HINT 1 HINT 2 HINT 3 In text: 5234 2112 06?7 0964 Also Try: Fill The grid - 3.0 Fill the grid - 2....
2
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3answers
91 views

Number Sequence Series-Question 4

I want to share a series of questions that are created by myself. I will give a hint in 24 hours and my answer in 3 days if nobody could answer my question. Previous ones are here: Number Sequence ...
2
votes
1answer
146 views

Number Sequence Series-Question 3

I want to share a series of questions that are created by myself. I will give a hint in 24 hours and my answer in 3 days given that nobody could answer my question. Here is my number sequence: 2020,...
4
votes
1answer
280 views

Number Sequence Series-Question 2

I want to share a question that is created by myself. I will give a hint in 24 hours and my answer in 3 days given that nobody could answer my question. Here is my number sequence: 1441,2882,5764,?,...
1
vote
1answer
102 views

Shapes in the wild

New here so apologies if this is not quite allowed. Yesterday our department had a meeting in one of our conference rooms on campus. When we arrived the room was empty, but there were three puzzles ...
4
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3answers
314 views

Number Sequence Series – Question 1

I want to share a question that is created by myself. I will give a hint in 24 hours and my answer in 3 days given that nobody could answer my question. Here is my number sequence: $3/2, 2/3, 3/4, ...
4
votes
1answer
356 views

Number sequences: 6X000X9, 700XX08,00000015,?,00000015

Here is the question: 6X000X9,700XX08,00000015,?,00000015,?,00000015 This question actually comes from the puzzles made by my friend. He gave me his puzzles recently but I couldn't figure it out. ...
0
votes
1answer
104 views

Identify the rule and find the missing number

The following sets of numbers are connected through a common rule/patern. Find the missing number(?) $(255,153,51x)(153,0xx,51x) = 669900$ $(255,204,51x)(204,51x,51x) = 339900$ $(153,153,...
4
votes
1answer
206 views

Join the Fun at Jack’s Casino to get a shot at Jackpot

Jack’s casino dealers are not all prime. But, he gives better odds to get the daily Jackpot by revealing lot more numbers in the sequence in play. That way his Casino is much better than Cryptic ...
0
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1answer
137 views

Find the missing parking space number [duplicate]

Each space in this parking area is numbered. The parked car covers one of the numbers. What is the number? For reference, the parking numbers are $16,06,68,88,X,98$ where $X$ is the hidden number.
3
votes
1answer
118 views

Find the first three terms of the sequence

Find the missing values in the sequence: $X, X, X, 59, 2, 65, 3, 58, 9, 79, 3, 23$ Hint 1: Hint 2:
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1answer
324 views

Find the next term

Here, we have a sequence. 0 , 15 , 23 , 155 , 287 , 539 , 767 , ? Can you find the next element ? HINT 1 HINT 2 HINT 3
1
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3answers
145 views

Find the next three terms in the sequence

This sequence consists of triplets; each triplet is linked to each other. $1,36,8,2,48,4,3,60,0,\text{X},\text{X},\text{X}$ The three $\text{X}$'s signify the missing numbers.
2
votes
0answers
159 views

Find the next terms in this sequence. 4,82,1

Find the next few terms X, X, X. in this sequence Give your reasoning 4, 82, 1, 14, 84, 88, 0, 82, 81, 22, 12, X, X, X
6
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5answers
1k views

Long digital sequence. 16xxxxxxxxxxxxx61

Find the digital key and very simple method to unlock the long digital sequence 16xxxxxx61 Additional clues: Eeryday one clue will be given till problem is solved Day 1: Bounty Day 2: My code is ...
4
votes
1answer
155 views

How to articulate the answer to the 82k sequence riddle

I have found the quintessential you-won't-find-it-if-you-don't-know-it question: Question: "What is the next element of this sequence: 2,3,4" Answer: Short explanation: Long explanation & ...
7
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1answer
307 views

Fill The grid - 3.0

Can you fill this grid ? Version ($\pi$) In text: ?14516 243748 120581 17186? 01?857 HINT 1 HINT 2 HINT 3
5
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1answer
144 views

Fill the grid - 2.0

Can you fill this grid ? (Version 2.0 ) Text version 714523 191303 165088 213443 573211 91?12?
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10answers
925 views

SafeCracker #3 - We've Been Blocked [closed]

Our Last Safe To Conquer Ok, team, this one might give us a little trouble. Nothing we can't handle though... let's go... This safe model is "The NevaCrak 9000" - the most secure safe there is. ...
3
votes
1answer
99 views

Another Number Sequence Problem

Find the next number in the sequence: $10,11,21,32,53,85,49,45,5,50,?$ This sequence seems to me as possibly difficult to guess, so below is a hint.
3
votes
2answers
145 views

SafeCracker #1 - Look who's talking

The Plot You work for a tech company in Tampa, FL. Recently there was a break-in, and the company's trade secrets were stolen. Company PI have tracked the briefcase containing the secrets to the ...
2
votes
1answer
90 views

The NANNP Grid ( Not another Next Number Puzzle )

Simply figure out the last row...
11
votes
7answers
2k views

Missing Piece of Pie - Can you find it?

A piece is missing! What should it be?
0
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1answer
76 views

Place Your Bets 3 , last of the series

A harder sequence to figure out... What are the next 4 cards, including suits?
1
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1answer
52 views

Place Your Bets 2 - In sequence, of course

Your Cards... You have to figure out what the next row of 4 cards will be. There is a pattern in there somewhere, promise. Good Luck
2
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1answer
88 views

Place Your Bets - in sequence, of course

Your Puzzle There is some sort of pattern in cards below. Simply figure out what the next card should be. Note: You cannot re-use a card already in play.
0
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1answer
87 views

Continue this number sequence

How does this sequence of integers continue? 4 5 8 8 9 9 12 13 Not too difficult I think.
0
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1answer
97 views

Why do I always lose? [duplicate]

As always, good luck! Sarah is really good at math. I mean, really good at math. Every now and then we play this game where we take turns picking random numbers between 1 and 10, and we add these ...
5
votes
3answers
305 views

How to solve this number-sequence?

My friend gave me this fun puzzle to solve but I still cannot figure out the logic between them... 1,3,4,7,8,11,14,15,19,22,23,25,26,?,?,?,? Could anyone help me solve it?
1
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2answers
208 views

Sequence made of symbols

(My friend in real life gave me this)That's the original sequence: ⬅↕➡,⬅↕,➡,⬅,?,?,↕➡ I'm going to use other symbols to make it readable: (/), (/,), (/, ?, ?, /) I've noticed that the comma ...
1
vote
2answers
130 views

alphanumerical sequence Correct one

I have tried to solve this sequence which, I suppose has been created from the combination of a,b,c,d,e. I've reposted the correct sequence The sequence: (a,c), ?, ?, ?, (a,e), ?, ?, (c,d), ?, (b,...
5
votes
2answers
170 views

Two, completely independent, means exist to obtain the same answer

... one "local"; and one "global" 1) 1 + 1 = 2 2) 2 + 1 = 4 3) 3 + 2 = 9 4) 5 + 3 = 17 5) 7 + ?? = 32 Can you determine the correct answer ...