What is the value of n? : GMAT Data Sufficiency (DS)
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# What is the value of n?

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Manager
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What is the value of n? [#permalink]

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11 Jan 2010, 05:50
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15% (low)

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92% (01:39) correct 8% (00:48) wrong based on 26 sessions

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What is the value of n?

(1) n(n -1)(n - 2 ) = 0
(2) n^2 + n - 6 = 0
[Reveal] Spoiler: OA

Last edited by Bunuel on 27 Jul 2015, 08:32, edited 1 time in total.
Renamed the topic, edited the question and added the OA.
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Re: What is the value of n? [#permalink]

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11 Jan 2010, 06:00
stat 1 gives n= 0, 1, 2 NOT Sufficient
stat 2 gives n= 2, -3 NOT Sufficient

1 & 2 Together n=2 SUFFICIENT

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Re: What is the value of n? [#permalink]

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11 Jan 2010, 06:00
vageesh wrote:
What is the value of n?
(1) n(n –1)(n – 2 ) = 0
(2) n^2 + n – 6 = 0

1. by it self n could be 0,1,2 so not A,D
2. you can get (n+3) * (n-2) which results in n being -3,2 so not B,D

If you combine them they only have 2 in common so C?
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Re: What is the value of n?   [#permalink] 11 Jan 2010, 06:00
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# What is the value of n?

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