Questions tagged [number-sequence]

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

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-4
votes
10answers
945 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
109 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
153 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
107 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
votes
1answer
78 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
votes
1answer
91 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
votes
1answer
89 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
votes
1answer
102 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
353 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
vote
2answers
211 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
131 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
173 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 ...
10
votes
6answers
653 views

Temple Password

You and your friends Brutus and April are exploring an ancient temple when you encounter a locked door with a stone keypad next to it numbering 0, 1, 2 and 3. Out of curiosity you decide to type in ...
1
vote
6answers
3k views

My school has a “crack the code” riddle [closed]

Title says most of it. I've been at this for hours with almost no progress. There are two codes (37068 and 57063) that didn't work although they seem to fit the conditions given. Can someone please ...
3
votes
1answer
123 views

some sequences are awesome!

My name is Awesom$\Sigma$ Sequenc$\Sigma$. Nice to meet you all :). I am new here. You can either use my first name or last name to address me. My hobbies include visiting new places. I usually ...
1
vote
1answer
210 views

Extremely Long Difficult Number Sequence

(2 7 4 4 5 7), (?), (2 1 3 2 1 7 1 4 1 5), (2 2 4 1 1 3 1 7 1 4 1 5), I can't find any links between these numbers, anyone could help me solve it?
2
votes
2answers
255 views

Continue the number sequence

Some minor misunderstanding last week inspired me on creating this puzzle. Hope it would be not very boring :) Sequence: 10 50 100 306 356 562 ... What`s next? Hint:
6
votes
2answers
294 views

number sequence puzzle deep six

Just a quick puzzle I just thought up. (so apologies if this has already been done) Here's numbers 1 to 5 in a sequence: 5-4-1-3-2 I now want to add the number 6 into the sequence, but where ...
15
votes
3answers
686 views

Mathematical cryptic clues

Programming language, after removing loss for you, reverses time (6) Complex arithmetic begins, Turing tests start beforehand (7) Quadruply male doctor Einstein, familiarly (11) Lie on a ...
13
votes
1answer
551 views

Find the next number in this sequence

Find the next number in the sequence : 1; 5; 33; 25; 2; 16; 14; 12; 11; ? What is the next number and why ?
14
votes
1answer
525 views

250 Floor Tower

There's a tower in a far off land, one that you can only climb by unlocking the secret password to all the floors. Each floor has an inscription on the walls, indicating a number. As you approach a ...
13
votes
0answers
442 views

Rethinking this series on the syllabus

I assigned each person in my class the task of creating a number-sequence, however, 4 of the guys I usually consider to be leaders came back with baffling results. Can you make sense of their work ...
3
votes
2answers
514 views

Find the next value of this number series [closed]

I have tried to solve few number series problems but this one is little difficult for me to solve. kindly help me to solve this. -1,35,143,323,? Thanks in ...
6
votes
2answers
512 views

IBM PAT Number Sequence

I am looking at an old IBM PAT (circa 1965) and am stumped by a number sequence question. This is it: Identify the pattern in the following sequences and select the option which indicates the next ...
-2
votes
1answer
205 views

How to solve this puzzling?

20190309,245111132328,331508165892,51222189610023,? A friend of mine gave me this number puzzling but I have no idea what is the logic. Does anyone know how to solve?
4
votes
1answer
353 views

Numbers Brain Teaser

I've come across a strange brain teaser on one of those sheets with things like: (man overboard) So here's the puzzle: 0 - 20 10 - 3 14 - 29 96 - 72 1977 I've been trying to ...
1
vote
3answers
208 views

speciality of the binary sequence $\underline{100101100110100}101101001$

One friend has given me this binary sequence and asked what is its speciality if we add next few terms to this sequence? The binary sequence was: $$\color{blue}{\underline{100101100110100}}101101001 \...
3
votes
1answer
164 views

Number sequence puzzle stuck on

Stuck on this number sequence puzzle for a while now, today was talking about IQ tests with somebody so thought I'd ask here. 1, 2, 33, ?, 555, 23, ?, 222 The source is INRC 2018 Q3 (btw if anyone ...
-2
votes
1answer
222 views

UNKNOWN CIPHER - NEED HELP DETERMINING (SOLVING)

I am trying to figure out how to decrypt and also re-encrypt potentially the following, meaning that i could write a random text string and it would generate that encryption and also decrypting it ...
6
votes
2answers
335 views

A real-world puzzler - find the pattern!

This is a bit of an unusual puzzle - one that is purely "real world" :) My console can produce a load of colours. But I can't find any obvious way to relate the colour to its number. I'd hoped that ...
4
votes
5answers
430 views

Haters will say 28 June

Find the next number in this sequence: $4,3,7,5,10,15,?$ Think outside the frustum here. Hint 1: Hint 2:
8
votes
5answers
665 views

The Legend of Four

As far as I know, all numbers have a root of 4. What I mean by this is as follows: Starting with any number, for example 384, I take the number of letters in that number. Then I repeat this process ...
2
votes
2answers
366 views

Another Number Sequence Riddle

Here is another number sequence riddle for you all: 4, 2, 7, 6, 8, __, __, and so on. What numbers go in the blanks?
3
votes
1answer
132 views

Mind the…(number seqeunce)

Find the next number in the sequence: 2, 3, 7, 23, 89, 113, ? Hint:
-5
votes
1answer
702 views

Logic Puzzle: Solve and Provide Explanation [closed]

Please solve the logic puzzle above and provide an explanation for your reasoning.
2
votes
1answer
289 views

Find the missing numbers 1, 3, 6, ?, ?, ?, 45, 55

1, 3, 6, ?, ?, ?, 45, 55 I asked the person who gave this to me and they assured me that it's correct. After an hour, I've given up :(
5
votes
1answer
240 views

Find the next number in the sequence?

1 = 1 2 = 12 3 = 27 4 = 44 5 = 35 6 = ? The only hint I got was:
4
votes
2answers
255 views

A small set numerical puzzle

Three, Twenty-one, and forty-five start this list that has arrived. ---edit for a little more clarity--- Ninety-one and one hundred and twenty. Then we get to the doubly interesting number....
6
votes
1answer
479 views

What is the next sequence of numbers?

Seven and seven is forty-two, Eight and nine are fifty; Ten and eleven are sixty-two, And twelve and twelve are five. What is the next sequence of numbers?
0
votes
1answer
47 views

Special rhombii

There are two parts to this puzzle, but I am posting the other part tagged with ‘mathematics’ because it isn’t really a number sequence problem. Part I Find the next number in the sequence: 1,2,3,7,16,...
3
votes
2answers
170 views

Cyrus' Adventure (Part 1)

Cyrus is on an adventure to the deep unknown forest, in order to get the mysterious treasure box. After walking for a few days, he found out that a strange door was blocking his way, and there weren't ...
2
votes
1answer
72 views

Ashley and MK, number sequence

What’s the next number in the sequence? $4, 6, 12, 18, 30, ?$ This one is pretty easy, so I will post the answer in a few days if no one gets it.
4
votes
1answer
188 views

Don’t be arbitrary

What’s the next number in the sequence? 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 10, ? P.S I’m new, so tell me if the question was too hard or too easy.
-5
votes
1answer
63 views

Next number in the following sequence [closed]

1, 2, 3, 5, 8, 13, 21, and so on. Find the next digit.
2
votes
1answer
283 views

Find the next number in the series

Can you find the next number in the following series ? 2 , 0 , 3 , 5 , 25 , 119 , ?
0
votes
1answer
93 views

Number Sequence (hope it is not too hard)

Complete this number sequence 1, __ , 2 , 6, 120, 40320, 6227020800 , __ , 2.952328e+38, __ , __ , __ Can you do it?
0
votes
3answers
141 views

Finish the sequence (hopefully not too easy)

This is a number sequence. Can you guess the right answer? GOOD LUCK :) 0,1,2,4,14,21.... Can you guess the next 4 numbers?
3
votes
1answer
199 views

What is the next term of this sequence?

What is the next number? $$2,3,10,12,13,20,?$$

1 2 3
4
5
14