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# M01 Q5

Author Message
Intern
Joined: 07 Oct 2009
Posts: 32

Kudos [?]: 8 [0], given: 1

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26 Dec 2009, 10:14
If x>1 and y>1, is x>y ?

(1) x^0.5>y
(2) y^0.5<x

Kudos [?]: 8 [0], given: 1

Senior Manager
Joined: 30 Aug 2009
Posts: 283

Kudos [?]: 191 [0], given: 5

Location: India
Concentration: General Management

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26 Dec 2009, 11:17
rajkar001 wrote:
If X>1and Y>1 , is X>Y ?

1.X^0.5>Y
2. Y^0.5<X

Statement (1) ALONE is sufficient, but Statement (2) ALONE is not sufficient
Statement (2) ALONE is sufficient, but Statement (1) ALONE is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient

we have X>1 and Y>1
stmnt1 - X^0.5>Y => squaring both sides we have X>Y^2 so X>Y as both are >1. Hence Suff

stmnt2 - Y^0.5<X => let Y = 25 and X = 20 then Y^0.5 = 5 < 20 but Y> X
if Y = 25 and X =36 then Y^0.5 = 5 < 36 but Y< X. Hence insuff

so A

Kudos [?]: 191 [0], given: 5

Intern
Joined: 07 Oct 2009
Posts: 32

Kudos [?]: 8 [0], given: 1

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26 Dec 2009, 12:30
Thanks kp1811!

I was bit confused by the explanation given in Test.Got it cleared know.

Kudos [?]: 8 [0], given: 1

Manager
Status: And the Prep starts again...
Joined: 03 Aug 2010
Posts: 136

Kudos [?]: 61 [0], given: 20

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29 Feb 2012, 20:01
I got this wrong completely!!

There used to be a similar problem in an official question where we can use proper fractions. I was checking for proper fractions for x and y. This gives a completely different answer. Later realized that it is given X>1 and Y>1.

Got to tell myself "READ THE QUESTION carefully"
_________________

My First Blog on my GMAT Journey

Arise, Awake and Stop not till the goal is reached

Kudos [?]: 61 [0], given: 20

Re: M01 Q5   [#permalink] 29 Feb 2012, 20:01
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# M01 Q5

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