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Is xy < 0? (1) -1 < x < 2 (2) 3 < y < 5

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Joined: 02 Sep 2009
Posts: 52285
Is xy < 0? (1) -1 < x < 2 (2) 3 < y < 5  [#permalink]

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New post 03 Apr 2018, 20:43
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

96% (00:41) correct 4% (00:00) wrong based on 34 sessions

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Joined: 05 Feb 2016
Posts: 144
Location: India
Concentration: General Management, Marketing
WE: Information Technology (Computer Software)
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Re: Is xy < 0? (1) -1 < x < 2 (2) 3 < y < 5  [#permalink]

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New post 03 Apr 2018, 23:27
Bunuel wrote:
Is xy < 0?

(1) -1 < x < 2
(2) 3 < y < 5


two variable x,y so two eq req
from:1
single equation . insufficient

from:2
single equation . insufficient

combining both

x=-.8,y=4 then xy<0
x=0,y=3then xy=0
insufficient
E
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Joined: 07 Jan 2016
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GMAT 1: 710 Q49 V36
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Re: Is xy < 0? (1) -1 < x < 2 (2) 3 < y < 5  [#permalink]

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New post 03 Apr 2018, 23:34
Bunuel wrote:
Is xy < 0?

(1) -1 < x < 2
(2) 3 < y < 5


1 gives value of x

if x is negative y is positive - answer yes
if x is negative y is negative - answer yes

2 gives value of y

hence both 1 and 2 are indivudially not sufficient a,b,d eliminated

c/e remain

(1) -1 < x < 2
(2) 3 < y < 5

as x and y are not mentioned as integers
y is positive
x can be either + or -

(E) imo
GMAT Club Bot
Re: Is xy < 0? (1) -1 < x < 2 (2) 3 < y < 5 &nbs [#permalink] 03 Apr 2018, 23:34
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