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Are all of the numbers in a certain list of 15 numbers

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Manager
Joined: 24 Aug 2009
Posts: 149

Kudos [?]: 125 [0], given: 46

Are all of the numbers in a certain list of 15 numbers [#permalink]

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11 Dec 2009, 13:54
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Question Stats:

50% (02:17) correct 50% (00:00) wrong based on 6 sessions

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Are all of the numbers in a certain list of 15 numbers
equal?
(1) The sum of all the numbers in the list is 60.
(2) The sum of any 3 numbers in the list is 12.

Kudos [?]: 125 [0], given: 46

Manager
Joined: 12 Oct 2008
Posts: 56

Kudos [?]: 2 [0], given: 3

Re: O)G 12th edition DS [#permalink]

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11 Dec 2009, 18:59
1: NS, because any numbers(same or different) can have sum of 60.
2. S, because, any 3 numbers sum will be 12, only if all numbers are same.

IMO, B

Kudos [?]: 2 [0], given: 3

Re: O)G 12th edition DS   [#permalink] 11 Dec 2009, 18:59
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