Questions tagged [number-sequence]
A puzzle in which the hidden pattern behind a given sequence of numbers (and, often, the next term) is to be found. Use with [sequence]
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Complete the integer sequence: 10, 11, 12, 13, 14, 20, ?, ?, ?, ?
Here is a sequence I happened to work out, although I am certainly not the first one.
Can you fill in the missing numbers?
10, 11, 12, 13, 14, 20, ?, ?, ?, ?
NB: The sequence ends after the last ...
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Shadowed Dragon Ciphers: #2
This is the SHADOW Cipher in a small sample. One of my hardest, Good Luck!:
Z+b s v k v x w z d o x
-The Shadowed Dragon
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A Cypher I Created: U+74 U+48 U+65 U+20 U+72 U+65 U+61 ...
This is a compound cypher meaning it is several cypher methods inside of each other.
U+74 U+48 U+65 U+20 U+72 U+65 U+61 U+70 U+65 U+72 U+20 U+69 U+73 U+20 U+43 U+4F U+6D U+69 U+4E U+67 U+20 U+61 U+4E ...
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What number is next? 40, 0, 2, 1, 0, 10, 50, 4, 0, 16
What number comes next in this sequence?
40, 0, 2, 1, 0, 10, 50, 4, 0, 16
Answers must have an explanation of why the next number is what it is.
Hint:
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That's not a Puzzle @JKHA!
You are forbidden to comment: that's not a puzzle @JKHA! And all the tags are wrong!
Otherwise, I will answer: 13th of July 2025 A B C D E.
Puzzle Explain why the tags are correct.
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This is not about the last century...
1926 $\longrightarrow$ 19
1927 $\longrightarrow$ 16
1928 $\longrightarrow$ 20
1929 $\longrightarrow$ 19
1930 $\longrightarrow$ 19
1931 $\longrightarrow$ 15
1932 $\longrightarrow$ 18
1933 $\...
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connections with numbers II
You are given the following 4 by 4 grid of numbers. Create four groups of four numbers such that the numbers in each group share some common property.
This puzzle is a (hopefully harder) sequel to ...
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connections with numbers
Next puzzle
You are given the following 4 by 4 grid of numbers. Create four groups of four numbers such that the numbers in each group share some common property.
(The placement of numbers in the ...
- 1,101
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What is a Short Integer™?
No, a Short Integer™ is not a Short Integer!
If an integer conforms to a special rule, I call it a Short Integer™.
Each integer can be tested. This is not a definitive list of Short Integers™.
Short ...
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Circle with five regions labelled 50, 122, 5, 10, ?
This question was in CUET UG exam this year.
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A Nob Yoshigahara number sequence puzzle (Tribute to Martin Gardner)
What number belongs at ? in this sequence?
24 28 33 34 32 36 35 46 52 53
13 11 17 16 18 14 22 ? 33 19 24
Attribution:
Nob Yoshigahara in
The ...
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Make him shuffle most!
James is a dealer who can only use overhand shuffle1). For some reason, you decide to harass on him. You know that he is playing a “stacked deck” with some player. You are also good at it, so you ...
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The CXV sequence
This infinite sequence uses simple English and mathematics. Find the next term.
2, 2, 6, 4, 4, 2, 6, 6, 4, 2, 9, 8
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Find next four digits in the ternary sequence
I generated this sequence 2102012210101111222011212000200220212200120102112020222211102212100010011012, find next 4 digits and explain the reason.
Note that this is a ternary sequence. All digits are ...
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