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

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Manager
Joined: 17 Jan 2006
Posts: 92
Followers: 1

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

If v and w are different integers, does v=0? (1) vw=v^2 (2) [#permalink]  03 Jun 2006, 22:22
If v and w are different integers, does v=0?
(1) vw=v^2
(2) w=2
Manager
Joined: 29 Apr 2006
Posts: 85
Followers: 1

Kudos [?]: 10 [0], given: 0

Re: GMATPREP : v =0? [#permalink]  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
Joined: 09 May 2006
Posts: 99
Location: Bangalore, India
Followers: 2

Kudos [?]: 11 [0], given: 0

dinesh8 wrote:
OA is A ..good job

Oops yes it is A. Good job pesquadero
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