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#1 2014-04-30 22:07:02

Registered: 2014-04-30
Posts: 1

Number in the series

I want to know what next two numbers will be in the series

8,15,10,13,12,11,14,9,16,7,___ ,   ___



#2 2014-04-30 22:46:06

bob bundy
Registered: 2010-06-20
Posts: 7,613

Re: Number in the series

hi picon,

Welcome to the forum.


Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei


#3 2014-05-01 01:39:21

From: Bumpkinland
Registered: 2009-04-12
Posts: 104,743

Re: Number in the series

Hi picon;

If you pair the numbers off you see that each pair sums to 23. The first number appears to be going up by 2 so I think the next 2 are 18 and 5.

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.


#4 2014-05-01 01:53:26

Real Member
From: The Land of Tomorrow
Registered: 2009-07-12
Posts: 4,374

Re: Number in the series

Hi picon,

Last edited by phrontister (2014-05-01 16:00:51)

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