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GMAT PREP2 DS3

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GMAT PREP2 DS3 [#permalink] New post 08 Oct 2007, 13:09
00:00

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
plz explain..thx
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Re: GMAT PREP2 DS3 [#permalink] New post 08 Oct 2007, 13:17
12345678 wrote:
plz explain..thx


E.

St. :1 says LCD of x/y and 1/3 is 6.
Y can be 2 or 6 insuff.

St2. :irrelevant. insuff.

Both taken together: still insuff cause st2 doesn't help st1 in any sense.
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 [#permalink] New post 08 Oct 2007, 14:07
X/Y, X & Y are + i's. What is Y?


S1: X/Y and 1/3 have common denom of 6.

X/Y could be 1/2 or 1/6

Insuff.


S2: X=1 Nothing about Y.

Insuff.


1&2:

Again X/Y could be 1/2 or 1/6. S2 did nothing to help us.

Ans Is E.
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Re: GMAT PREP2 DS3 [#permalink] New post 08 Oct 2007, 20:44
12345678 wrote:
plz explain..thx


E for me too .

Stmnt 1 , 2 values y possible

Stmnt 2 - doesnt solve anything for y
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 [#permalink] New post 08 Oct 2007, 23:29
E.

Stat 1:
fraction can be 1/2 or 4/6. Inusff.

Stat 2:
Says nothing about y. Insuff.

Stat 1 & 2:
fraction could be 1/2 or 1/6; insuff.
  [#permalink] 08 Oct 2007, 23:29
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