Math Is Fun Forum

picon

Member

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,___ ,   ___

Regards

Bob

Administrator

Registered: 2010-06-20

Posts: 10,621

Re: Number in the series

hi picon,

Welcome to the forum.

Bob

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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
Sometimes I deliberately make mistakes, just to test you!  …………….Bob

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

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.

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In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

phrontister

Real Member

From: The Land of Tomorrow

Registered: 2009-07-12

Posts: 4,877

Re: Number in the series

Hi picon,

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

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