Questions tagged [number-sequence]

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

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What's the next number and why?

What's the next number and why? 1,602,817,493,294,902
397 views

Interesting number sequence puzzle

What's the next (last) number in the following sequence? $1,2,3,4,5,6,8,9,10,\underline{~~?~~}$ (both mathematical and non-mathematical answers are welcome)
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What will come in place of question mark 10 , 6 , 8, 15, 34 ,?

I can't figure out what will come next in the sequence $10,6,8,15,34,...$ . I am thinking everything, but cannot seem to find a pattern. Any hints please...
1k views

What is the next number is this sequence?

26, 20, 4, 16, 10, 2, 14, ? I have tried everything.. I don't know how to solve this.. If you solve it post the solution please. Thanks!
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Find the numbers in sequence [closed]

Find the next 3 numbers in 1.1, 2.4, 3.9, 5.6, 7.5, __, __, __ And specify the relation .
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Next number in the sequence 19, 10, 11, 18 ,38,?

What is the next number in the sequence 19, 10, 11, 18, 38,? The options are 97.5 110 115 124.5 99.5 I got an image from a book that had this question. I can't solve it. Any hints? Question ...
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Program for number sequence cracking

This is a general question which I'm not really quite sure is appropriate here so before you decide to down vote, just drop me a message that it's not appropriate and it will be promptly removed or ...
349 views

What number is missing?

This is a sequence, that if transformed correctly, gives a sequence that is easily recognized by experts in a particular field of science. There is a number missing, though. Can you help? 57, 86, ...
156 views

Simple yet tasty sequence

Here's a sequence I know of that offhand isn't obvious. $0.14,0.14,3.28,3.28,9.57,3.28,9.57,3.28,9.57,15.85,3.28,15.85,...$ Keep in mind that this sequence originally looked like something else, ...
428 views

A sequence defined by a single fraction

I have a sequence of numbers here, which follow a very simple rule that can be expressed using a single fraction: 1, 2, 10, 11, 13, 15, 20, 22, 25, 28, ... What is this rule (in particular, what ...
393 views

What's the next number in the sequence?

What is the next number in the sequence? 22 , 15 , 1 , 14 , 16 , 3 , -2 , 10 , 9 , 7 , ? I will be adding more hints later if required :) HINT 1: HINT 2: HINT 3: I am new here, any ...
267 views

Number Patterns

Your mission, if you choose to accept it, is three parts: A) Figure out the pattern; B) Give an eleven-number sequence beginning with 2 that follows the same pattern; and C) Give an eleven-letter ...
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A puzzling data-driven sequence

First puzzle! I was inspired by this question to make my own. Props to the author for itching my brain! Update: I double-checked the sequence, turns out it changed! I overlooked something which I ...
753 views

A sequence about you (Puzzling Stack Exchange users)

I have a mysterious sequence for you... $204, 186, 172, 133, 126, 123, 120, 119, 111, 107, 102, 96, 90, 87, 86, 86, 85, 79, 75, 73, 70, 68, 66, 66, 65, 65, 65, 64, 64, 64, ...$ This sequence may ...
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What's the next number? You may need some help

What's the next number in the following sequence: 1, 3, 6, 7, 9, 11, 13, 14, 18, 21, 23, 28, 31, ___, ... Not sure if this one is easy. Hints will be released gradually. First one is in the title :...
564 views

Complete the sequence (easy)

What three-digit numbers best complete the following sequence: 33, 45, 54, 32, 11, 23, ___? There are two possible answers. One is composite and one is prime. Find both.
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Professor Halfbrain and the sum of the digits of all divisors

Yesterday I met professor Halfbrain in the city. The professor looked tired and somewhat exhausted. He told me that he had spent his nights and days with adding up digits of divisors of positive ...
373 views

Next number in Sequence? [closed]

What is the next number in the sequence: 1 4 23 25 26 ? Also, could you answer the logic that goes with it.
287 views

A grounded number sequence

There is no external source required, this relies only on maths. Each line is independent from the others. Can you find the pattern and fill in the blanks ? ...
954 views

Next number in the sequence

Find the next three numbers of the number series : 0,0,3,20,115,?,? And please also tell the series this series is following