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# DS -gmatprep1 -- sequence numbers

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Director
Joined: 01 Aug 2008
Posts: 728

Kudos [?]: 844 [0], given: 99

DS -gmatprep1 -- sequence numbers [#permalink]

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11 Mar 2009, 18:29
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I am sorry the answer is marked when I copy it... but please explain this problem for me..
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Kudos [?]: 844 [0], given: 99

SVP
Joined: 29 Aug 2007
Posts: 2472

Kudos [?]: 843 [0], given: 19

Re: DS -gmatprep1 -- sequence numbers [#permalink]

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11 Mar 2009, 21:22
1. if a1 = 24, rest 14 terms could be > 10 or < 10. nsf..
2. Since there are 15 terms and a8 (which is a median term) is 10, 7 terms are > 10 and 7 terms are <10.

Its more of a logic rather than a solution.. So B.
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Kudos [?]: 843 [0], given: 19

Re: DS -gmatprep1 -- sequence numbers   [#permalink] 11 Mar 2009, 21:22
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