GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 19 Oct 2018, 08:39

Fuqua EA Calls in Progress:

Join us in the chat | track the decision tracker | See forum posts/summary

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Is xy > 2 ? (1) x > 1 and y > 3 (2) x^2 > 4 and y^2 > 4

Author Message
TAGS:

Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 50002
Is xy > 2 ? (1) x > 1 and y > 3 (2) x^2 > 4 and y^2 > 4  [#permalink]

Show Tags

30 Jan 2017, 10:48
00:00

Difficulty:

25% (medium)

Question Stats:

77% (00:50) correct 23% (01:04) wrong based on 29 sessions

HideShow timer Statistics

Is xy > 2 ?

(1) x > 1 and y > 3
(2) x^2 > 4 and y^2 > 4

_________________
SVP
Joined: 26 Mar 2013
Posts: 1836
Re: Is xy > 2 ? (1) x > 1 and y > 3 (2) x^2 > 4 and y^2 > 4  [#permalink]

Show Tags

10 Feb 2017, 21:46
Is xy > 2 ?

(1) x > 1 and y > 3

Take min. value for x =1
Take min. value for y= 3

Sufficient

(2) x^2 > 4 and y^2 > 4

x> 2 or x<-2

y> 2 or y<-2

xy could be -4 <2........Answer is No

xy could be 4 > 2........Answer is Yes

Insufficient

Re: Is xy > 2 ? (1) x > 1 and y > 3 (2) x^2 > 4 and y^2 > 4 &nbs [#permalink] 10 Feb 2017, 21:46
Display posts from previous: Sort by