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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
Posts: 114
What is the average of a set of 6 consecutive odd integers ?  [#permalink]

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12 Sep 2008, 06:36
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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

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SVP
Joined: 07 Nov 2007
Posts: 1728
Location: New York

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12 Sep 2008, 21:57
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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Director
Joined: 23 Sep 2007
Posts: 760

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13 Sep 2008, 00:31
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

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Re: Zumit DS 019 &nbs [#permalink] 13 Sep 2008, 00:31
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