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# What is the average of a set of 6 consecutive odd integers ?

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Manager
Joined: 04 Jan 2008
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What is the average of a set of 6 consecutive odd integers ? [#permalink]  12 Sep 2008, 05:36
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What is the average of a set of 6 consecutive odd integers ?

(1) The sum of two numbers of the set is 40
(2) The sum of two numbers of the set is 24
SVP
Joined: 07 Nov 2007
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Location: New York
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Re: Zumit DS 019 [#permalink]  12 Sep 2008, 20:57
dancinggeometry wrote:
What is the average of a set of 6 consecutive odd integers ?

(1) The sum of two numbers of the set is 40
(2) The sum of two numbers of the set is 24

1)
possible values
17,23
19,21
15,25

not sufficient

2)
possible values

11,13
9,15
7,17

combined

range is 12 so difference between highest and lowes must be <=12

9,15 --- 19,21
11,13--17,23

multiple solutions..

not suffcient

E.
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Re: Zumit DS 019 [#permalink]  12 Sep 2008, 23:31
dancinggeometry wrote:
What is the average of a set of 6 consecutive odd integers ?

(1) The sum of two numbers of the set is 40
(2) The sum of two numbers of the set is 24

C

the only sequence of six consecutive odd integers that would satisfy the conditions is 11 13 15 17 19 21
Re: Zumit DS 019   [#permalink] 12 Sep 2008, 23:31
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