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If a and b are integers and a is not equal to b, is ab >

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Director
Director
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Status: Impossible is not a fact. It's an opinion. It's a dare. Impossible is nothing.
Affiliations: Chicago Booth Class of 2015
Joined: 26 Nov 2009
Posts: 994
Followers: 16

Kudos [?]: 445 [0], given: 36

If a and b are integers and a is not equal to b, is ab > [#permalink] New post 02 Aug 2010, 02:24
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

69% (01:24) correct 31% (00:19) wrong based on 18 sessions
If a and b are integers and a is not equal to b, is ab > 0?

(1) a^b > 0
(2) a^b is a non-zero integer

(A) Statement (1) ALONE is sufficient to answer the question, but statement (2) alone is not.
(B) Statement (2) ALONE is sufficient to answer the question, but statement (1) alone is not.
(C) Statements (1) and (2) TAKEN TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient.
(D) EACH statement ALONE is sufficient to answer the question.
(E) Statements (1) and (2) TAKEN TOGETHER are NOT sufficient to answer the question.
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Manager
Manager
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Joined: 16 Apr 2010
Posts: 223
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Kudos [?]: 52 [0], given: 12

Re: Absolutes [#permalink] New post 02 Aug 2010, 02:46
Hi,

Statement 1 is not sufficient:
Example
a=2, b=4 a^b>0 and ab>0
a=-2, b=4 a^b>0 and ab<0

Statement 2 again is not sufficient since no information is given (just that a^b is a non zero integer).

Taking both statements together, again is not sufficient.

regards,
Jack
VP
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Joined: 15 Jul 2004
Posts: 1473
Schools: Wharton (R2 - submitted); HBS (R2 - submitted); IIMA (admitted for 1 year PGPX)
Followers: 17

Kudos [?]: 108 [0], given: 13

Re: Absolutes [#permalink] New post 02 Aug 2010, 05:04
Its E for me as well...
Director
Director
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Status: Impossible is not a fact. It's an opinion. It's a dare. Impossible is nothing.
Affiliations: Chicago Booth Class of 2015
Joined: 26 Nov 2009
Posts: 994
Followers: 16

Kudos [?]: 445 [0], given: 36

Re: Absolutes [#permalink] New post 02 Aug 2010, 06:38
Awesome ! :-D

jakolik wrote:
Hi,

Statement 1 is not sufficient:
Example
a=2, b=4 a^b>0 and ab>0
a=-2, b=4 a^b>0 and ab<0

Statement 2 again is not sufficient since no information is given (just that a^b is a non zero integer).

Taking both statements together, again is not sufficient.

regards,
Jack

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Re: Absolutes   [#permalink] 02 Aug 2010, 06:38
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If a and b are integers and a is not equal to b, is ab >

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