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If v and w are different integers, does v=0? (1) vw=v^2 (2)

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Manager
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Joined: 17 Jan 2006
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If v and w are different integers, does v=0? (1) vw=v^2 (2) [#permalink] New post 03 Jun 2006, 22:22
If v and w are different integers, does v=0?
(1) vw=v^2
(2) w=2
Manager
Manager
Joined: 29 Apr 2006
Posts: 87
Followers: 1

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

Re: GMATPREP : v =0? [#permalink] New post 04 Jun 2006, 10:57
dinesh8 wrote:
If v and w are different integers, does v=0?
(1) vw=v^2
(2) w=2


I think it is A.

i) vw - v^2=0
v(w-v)=0
either v=0 or w-v=0
As w and v are different integers, then w-v is not equal to 0.
Therefore v=0.

ii) No info on v hence insufficient.
Manager
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Joined: 09 May 2006
Posts: 100
Location: Bangalore, India
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 [#permalink] New post 04 Jun 2006, 22:39
dinesh8 wrote:
OA is A ..good job


Oops yes it is A. Good job pesquadero :)
  [#permalink] 04 Jun 2006, 22:39
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If v and w are different integers, does v=0? (1) vw=v^2 (2)

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