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Questions tagged [number-sequence]

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

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

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. ...
57 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 ...
1k views

Find d this ones stumped me help?

This one is annoying me so much. Got this from a maths teacher.
104 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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How do you solve this puzzle? [closed]

I don't know how to solve it. Please help me.
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 ...
239 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:
220 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 ...
420 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 ...
87 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. ...
82 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 ...
216 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) $14$
163 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: ...
222 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:
110 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 ...
165 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?
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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 $2$ ...
158 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 ...
870 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?
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 ...
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'...
161 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 ...
430 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?
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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 ...
177 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 ...
192 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
937 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. ...
156 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 ...
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Give these Digits their own Place..Place them Right

In their own Circle. Such that the arrows point to successive numbers . Start with 1 and end with 9. There might be more arrows than necessary. Find the solution with least number of arrows ignored.