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if pq does not equal 0, is x an integer? 1) x=3p-2q 2) p=q

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Manager
Joined: 26 Aug 2004
Posts: 55
Followers: 1

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

if pq does not equal 0, is x an integer? 1) x=3p-2q 2) p=q [#permalink]  29 Aug 2004, 14:03
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if pq does not equal 0, is x an integer?

1) x=3p-2q

2) p=q

no clue
Senior Manager
Joined: 25 Jul 2004
Posts: 274
Followers: 1

Kudos [?]: 6 [0], given: 0

I'd go E almost instantly.

If p = q = .1, x is not integer
If p = q = 1, x is integer
GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5097
Location: Singapore
Followers: 17

Kudos [?]: 136 [0], given: 0

1) x=3p-2q

2) p=q

(1) not sufficient. P and Q could be fractions, and the operation of x could result in some fraction as well.
(2) not sufficient. Same reason as above.

(1) and (2) put together doesn't tell us anything more than we already know.

So (E).
Manager
Joined: 02 Apr 2004
Posts: 224
Location: Utrecht
Followers: 1

Kudos [?]: 7 [0], given: 0

I would choose E too.

p and q could be fractions like p = 1/2 and q = 5/7 or they both could be integers.

Regards,

Alex
Manager
Joined: 26 Aug 2004
Posts: 55
Followers: 1

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

actually this is from one of the paper tests and it gives the answer as A which makes no sense to me.

???
CIO
Joined: 09 Mar 2003
Posts: 466
Followers: 1

Kudos [?]: 25 [0], given: 0

nope, E. Definately. The best we can get to is combining them together and seeing that x = p = q. But since we don't know what they are, just that their not zero, it's got to be E.
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