Are all of the terms in Set A equal? : GMAT Data Sufficiency (DS)
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# Are all of the terms in Set A equal?

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Manager
Joined: 05 Jan 2011
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Kudos [?]: 113 [0], given: 7

Are all of the terms in Set A equal? [#permalink]

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22 Dec 2012, 07:45
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Question Stats:

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Are all of the terms in Set A equal?

(1) The sum of all 14 terms in Set A is 98.
(2) The sum of any 3 terms in Set A is 21.
[Reveal] Spoiler: OA
Intern
Joined: 20 Dec 2012
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Kudos [?]: 4 [0], given: 3

Re: Are all of the terms in Set A equal? [#permalink]

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22 Dec 2012, 07:52
I must have misunderstood the question.

I picked b, because if any 3 numbers in the set always equal 21, then all terms must be the same. In this case 7.

What did I do wrong?
Manager
Joined: 05 Jan 2011
Posts: 60
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Kudos [?]: 113 [0], given: 7

Re: Are all of the terms in Set A equal? [#permalink]

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23 Dec 2012, 01:37
Hiho wrote:
I must have misunderstood the question.

I picked b, because if any 3 numbers in the set always equal 21, then all terms must be the same. In this case 7.

What did I do wrong?

There could be only three elements in set e.g {18,2,1}
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Re: Are all of the terms in Set A equal? [#permalink]

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23 Dec 2012, 01:42
vishu1414 wrote:
Hiho wrote:
I must have misunderstood the question.

I picked b, because if any 3 numbers in the set always equal 21, then all terms must be the same. In this case 7.

What did I do wrong?

There could be only three elements in set e.g {18,2,1}

Oh, ofcourse! The only use we had of statement one wss the ammount of terms in the set.

Thanks
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Re: Are all of the terms in Set A equal? [#permalink]

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23 Dec 2012, 05:49
vishu1414 wrote:
Are all of the terms in Set A equal?

(1) The sum of all 14 terms in Set A is 98.
(2) The sum of any 3 terms in Set A is 21.

Similar question to practice from OG: are-all-of-the-numbers-in-a-certain-list-of-15-numbers-equal-144144.html
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Re: Are all of the terms in Set A equal? [#permalink]

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23 Feb 2016, 17:45
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Re: Are all of the terms in Set A equal?   [#permalink] 23 Feb 2016, 17:45
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# Are all of the terms in Set A equal?

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