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# Kaplan DS Is x &#8722; y positive? (1) x > y is negative.

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CEO
Joined: 15 Aug 2003
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Kaplan DS Is x &#8722; y positive? (1) x > y is negative. [#permalink]  14 Dec 2003, 04:19
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Kaplan DS

Is x − y positive?

(1) x > y is negative.

(2) y − x is negative.

Is there a problem with (1). can this be solved as is.
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Director
Joined: 13 Nov 2003
Posts: 796
Location: BULGARIA
Followers: 1

Kudos [?]: 21 [0], given: 0

There is a contradiction in 1) if x>y then x-y>0 how can this be negative..on other hand 2) is sufficient
Senior Manager
Joined: 12 Oct 2003
Posts: 252
Location: USA
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Kudos [?]: 5 [0], given: 0

D

2 is definitely sufficient.

1 can be interpreted as x > y is negative; so it means that x < y

official ans and explanation pls!
GMAT Club Legend
Joined: 15 Dec 2003
Posts: 4315
Followers: 24

Kudos [?]: 189 [0], given: 0

How can 2 be sufficient?

If you take y=3 and x=5 then y-x=-2 (negative) and x-y=2 which is positive
If you take y=-3 and x=-2 then y-x =-1 (negative) but x-y=-5 which is negative
Thus, 2 alone in NOT sufficient
SVP
Joined: 03 Feb 2003
Posts: 1611
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Kudos [?]: 63 [0], given: 0

how can an inequality be negative?
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