Questions tagged [sequence]

A puzzle about sequences of symbols, elements, or other objects.

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-1
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0answers
104 views

What is the symbol/shape that comes in place of '?'? [closed]

What is the symbol/shape that comes in place of '?' ?
2
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0answers
108 views

Encrypted code with colours and letters. Can you identify the code, I have the possible key [closed]

I have a code that I can not break. It has been looked at for such a long time and I have tried to solve what might be the content or message. I recently was made aware that the alleged key for the ...
3
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2answers
187 views

Square sequence puzzle 3

Find what comes next in the following sequence: 1,4,9,6,0,8,8,8,8,0,2,6,0,0,? Bonus 1: What is the rule? Bonus 2:
4
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1answer
193 views

Square sequence puzzle two

Find what comes next in the following sequence: 0,1,4,9,7,7,9,13,10,9,1,? Bonus: What is the rule?
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2answers
111 views

Square sequence puzzle

Find what comes next in the following sequence. 01, 04, 09, 16, 25, 36, 49, 64, 81, 00, 21, 44, 69, 96, 25, ? Bonus: What is the rule of the sequence?
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1answer
309 views

Chess A Knight's Journey

You'll need to know about: A game that has existed for over 1500 years A game that doesn't exist ♞ → I → II → III → ... Answer = Xxxxxxxxx
2
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1answer
235 views

Pythagorean triplets generated in a unique way

Let's have the following sequence of Pythagorean triplets $25^2=24^2+7^2,1201^2=1200^2+49^2$, $58825^2=58824^2+343^2, ?, ?$ What are the next two triplets in this sequence? How have these triplets ...
2
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2answers
210 views

Two sequences in one

The following sequence of numbers is related to two well known sequences in the OEIS, the On-Line Encyclopedia of Integer Sequences: 3, 4, 7, 10, 16, 21, 30, 40, 57, 84, 120, 181, 274, 420,... a) ...
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1answer
142 views

Another Sequence of Sequences [duplicate]

Examine the following seven sequences of numbers: 1 11 21 1112 3112 211213 312213 What are the next seven sequences of numbers? What is the hundredth sequence in the series? Puzzle by the late ...
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2answers
311 views

Finding the root of a basic sequence

The sequence starts with the following: a1 = 1, a2 = 2, a3 = 5, a4 = 4, a5 = 6, a6 = 10, a7 = 9, a8 = 8, a9 = 21, a10 = 12, a11 = 13, a12 = 20, a13 = 33, a14 = 15, a15 = 42, a16 = 16, a17 = 19, a18 = ...
3
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1answer
184 views

Patterns - they're everywhere!

You wake up in a room (again) that has two floors, Both have 3 puzzles. In order to escape, You have to find every answer in this order: Red Yellow Green Cyan Navy Pink and combine it together (eg if ...
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1answer
167 views

Sequence of large numbers - 97613377, 239783652

Let's have the following sequence 43, 108, 5737, 13932, 97613377, 239783652,? What number belongs where the question mark is? HINT: The next number is 28693771291496497. What is the next term after ...
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1answer
148 views

What is the next diagram, and what is the number?

I needed some help to a friend of mine, he was solving a puzzle. He sent me a remake of what he was solving, and its up to you to help my friend! Note: My friend says that he messed up at 32, there ...
1
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1answer
449 views

Next in the number sequence problem: 20, 21, 33, 68, 172.5, 520.5

20, 21, 33, 68, 172.5, 520.5, ? What will come next in this number sequence problem?
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1answer
66 views

Expressing values of irrationals in the form of fractions

Let's have the following sequence of fractions: $\frac{24}{17}, \frac{816}{577}, \frac{941664}{665857}, ?$. What is the next fraction in this sequence?
5
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1answer
195 views

Unusual sequence of fractions

Let's have the following sequence of fractions: $\frac{156}{51}, \frac{756}{251}, \frac{3756}{1251}, ? $ . What fraction replaces the question mark?
0
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1answer
70 views

Sequence of boxes with a rotating arrow, large (un)shaded circles in the corners, and a small circle [closed]

What is the next image? The small circle seems to follow the arrow, which would eliminate C and E.
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0answers
173 views

What set is the odd-one out?

RCTPS MNCFON RCTPS KVWP BIBI HWQB IHQB IHQB ABAABBBB ABAAAABB ABAABBAB AABAAAAA ABAABABB ABAAABAB ABABAAAA ABABABBB AABAAAAA ABAABBAA ABAAABAA ABAAABBB ABAAABAA ABABAABB AABAAAAA ABAAABAB ABABAAAA ...
2
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1answer
123 views

A math sequence, but also a English sequence!

What are the numbers in the question marks? 0, 1, 2, ?, 5, 6, 8, ?, 40, 46, 60, ?, 84
3
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1answer
245 views

Not a Fibonacci sequence

What is the next term in the sequence? 1, 1, 2, 3, 5, 8, 18, 34, 60, 120, 214, 394, 788 hints: #1
31
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3answers
2k views

Should You Take the Pill?

An entry in Fortnightly Topic Challenge #50: Escape Rooms Your head is throbbing like mad. You try to get your bearings as you look around the laboratory. Shattered beakers and spilled chemicals are ...
2
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3answers
468 views

What number follows the sequence?

I was taking a job application exam online and encountered a pattern I couldn't solve. ? 26, 13.2, 3.6, 2, 1.2, ? What number comes next? Answer choices were: 7.2 5.4 6.4 6.8 7 6.6 I guessed 6.6 due ...
8
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1answer
244 views

Wordsmiths & Wyverns

You awaken in a foul crypt with only the following items at your disposal... ROPE, BOOTS, AMULET, MAP, FLAIL, CHAIN, CUP, BELL, STAFF, RING, CODEC, RUM, FLUTE You also have the following tools. Awl (...
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1answer
239 views

What letter comes next in the sequence A, P, I, W, A, T [closed]

What letter comes next in the sequence: A, P, I, W, A, T, ?
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1answer
90 views

Letter sequence - B, D, H, P,? [closed]

Complete the sequence B - D - H - P _: a. F b. M c. V d. Z e. None of the above is correct. Source I tried to build a sequence based on the distance between the letters, but I didn't get anything ...
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1answer
78 views

Sequence represented by fruits

A person is confused about how a mathematical sequence works, to explain to her, her teacher does not use numbers and turns into sets of fruits. Which sequence is being represented by the teacher? a. ...
5
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1answer
282 views

$a_n = 2n^2, n \geq 1$ (modified)

The puzzle asks to determine the next term in the sequence 2, 4, 8, 0, 0, 16... a. 32 b. 18 c. 20 d. 24 e. 0 The obvious answer for me would be 32, with these zeros serving as the "neutral ...
4
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1answer
258 views

Numerical sequence - 11, 89, 17, ?, 47, 62, ?, 10, 0 [closed]

My friend from Math Stack Exchange gave me this sequence. He said that it isn't strictly a mathematical sequence, and that I need to find a pattern and then fill the question marks. These are the only ...
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2answers
183 views

Graphical pattern - 5x5 grids with “x”s

A friend of mine made this puzzle. You should find the pattern that explains the movements of the 'x' and find the next item in the sequence. You should draw it in the white box on the right. Hint: ...
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1answer
51 views

Simple Graphical sequence

I created this - what do you think should be drawn as the next shape?
14
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1answer
680 views

This puzzle is a loss

What should replace the question mark on this list? JBNRS, HF, GM, JPD, VL, AELMP, MS, WB, CB, GS, EC, SV, PD, PEJP, ?, … Hint, added later: Hint, added even later:
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2answers
112 views

Two sequences with more than one logic

Find the missing terms in the sequences below 5, 7, 11, 15,...? A) 23 B) 28 C) 25 D) 19 10, 11, 19, 23, ?, 41... A) 24 B) 28 C) 31 D) 37 Interestingly, the exercise presents alternatives. I believe ...
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1answer
96 views

Mensa Workout Quiz question - letter series

I took the Mensa Workout Quiz and I wasn't able to do this letter series question: Which letter comes next in this series of letters? B A C B D C E D F ? The options given were: C, D, E and F ...
3
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1answer
121 views

Rune Ciphertext (Presumably multi-enciphered )

Here is a cryptogram: Note: this is not, very very hard. But still, it is not very very easy, I would want to say with a few clues it's more easy than hard: Clues: It can be simple substitution. It ...
18
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1answer
526 views

Chain Puzzle: Tabletop Games #01 - Let's Play

This is the first Chain Puzzle in the Tabletop Games series, in which all puzzles are themed around board games, card games, tile games, and the like. The answer to this puzzle is a thematic word or ...
5
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2answers
857 views

Bunch of letters? It is all Greek to me

I found this paper on Grandpa's desk with a bunch of letters, big and bold, with a question: Which two letters come next in the sequence? He even wrote down four choices Which two letters go next? ...
2
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1answer
161 views

Order within order

Here's a little sequence of letters & numbers arranged in a specific way. Without yet giving away anymore info other than the title, the tag and that this sequence is complete try replace the ...
0
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2answers
133 views

Sequenception: complete five sequences forming a sixth

Transcript: ...
4
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1answer
319 views

A number sequence with a specific property

The following increasing number sequence follows a specific number property: 1 2 3 8 10 11 12 13 20 21 22 30 31 68 ... Find the property and the next two numbers Hint: Hint 2:
2
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1answer
268 views

Hard IQ questions with arrows

I have been looking at it for hours without a solution Any help would be greatly appreciated
11
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1answer
251 views

A sequence of three letter words/abbreviations

I have ten three letter words/abbreviations in a sequence, numbered 0-9, each of which differ by precisely one letter from their previous and next words. Here are clues for each of the words: The ...
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1answer
74 views

What's the next number in the following number sequence?

The sequence is: 138, 29, 1, 382, 913, 8, X Possible answers: a) 9 b) 2 c) 3 d) 12 Note: This question is not mine and it was asked as an IQ question by a teacher.
2
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1answer
168 views

Shortest word to longest word, step-by-step

Source As far as I know, I invented this puzzle. Question Starting with the one-letter words "A" or "I" how far is it possible to progress towards the 36-letter word "...
22
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1answer
351 views

Sergeant Sequence takes the case

It was 2am and Sergeant Sequence had been called in to Headquarters urgently. The second he stepped through the door a file was pressed into his hands by the Chief Investigator, who began to talk ...
3
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1answer
220 views

What is the next item in this numerical sequence?

I found this on a test, and it's under "Numerical sequences". I can't figure it out. I tried using the numbers of the alphabet: 1, 2, 9, 12, 1, 2. A, B, I, L, A, B,? It doesn't go by the ...
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0answers
165 views

Find the next term in the given sequence

I created this puzzle. The sequence is as follows: $$320, 71,4632,1E3D, 84B7, 6154, 4F3A44, 38B12, 11F1, BE7E44$$ Find the next element in the above sequence. Hint 1: Hint 2: Hint 3: Hint 4:
4
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1answer
266 views

What is the maximum length of sequence where the sum of 5 consecutive numbers in positive and sum of 8 consecutive numbers is negatve

What can be maximum length of such sequence? Hint one such sequence is
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2answers
1k views

What's next? Think laterally

What is next in this sequence? V I V I I I V I I I I I V V I I V I V I I I I V ? Answer is one of the following three options A: I I I V I V I I V B: I I I V I I I I I I V C: V I I I V Hint Not a ...
5
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2answers
205 views

Find the next number in the given sequence

I created this puzzle. Find the next number in the sequence and the logic behind it. $$2, 1536, 5, 1792, 23, 1184, 53, 1168, 113, 1048, 137, 1384, 179, 1576, 311, 1268, 431, 1234, 719, 2026, 1031, ...
5
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4answers
362 views

Complete this cross sequence

What is the next element of this sequence and why? Possible choices: Hint 1 Hint 2 Hint 3 Hint 4 Hint 5