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# Is x > y?

Author Message
Director
Joined: 04 Jan 2006
Posts: 922

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28 Jun 2006, 16:07
00:00

Difficulty:

25% (medium)

Question Stats:

71% (01:57) correct 29% (00:53) wrong based on 133 sessions

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This topic is locked. If you want to discuss this question please re-post it in the respective forum.

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Is x > y?

(1) x= y+2
(2) x/2 = y-1
[Reveal] Spoiler: OA
Senior Manager
Joined: 07 Jul 2005
Posts: 404
Location: Sunnyvale, CA

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28 Jun 2006, 16:14
(A)
I. sufficient.
II. try y = 0, 5
Manager
Joined: 19 Apr 2006
Posts: 231

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28 Jun 2006, 16:19
I am going with A....

st1:
whatever value of Y, X is greater

st2:
if y=-1, x=0 (true)
if y=0, x=-2 (false)
if y=1, x=0 (false)

But looking at your post, I am afraid that I am going to be wrong... But I know that someone will reply soon with the correct logic.
SVP
Joined: 30 Mar 2006
Posts: 1728

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29 Jun 2006, 02:20
Will go with A

1) X-Y = 2 Subsititute any value and u will see x > Y

2) Say y = -1, then x = -6, x<y
Say y = 4 then x = 4, x>y

Hence Insuff
CEO
Joined: 20 Nov 2005
Posts: 2894
Schools: Completed at SAID BUSINESS SCHOOL, OXFORD - Class of 2008
Re: Is x > y? [#permalink]

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29 Jun 2006, 07:28
willget800 wrote:
Is x > y?

1) x= y+2
2) x/2 = y-1

I am not sure I agree with the OA here....

Its A.

I did with a different method.

Stem is Is x-y> 0 ?

St1: x = y+2 i.e x-y = 2 : SUFF

St2: x/2 = y-1 i.e x-y = 2-3y. So 2-3y could be anything.: INSUFF
_________________

SAID BUSINESS SCHOOL, OXFORD - MBA CLASS OF 2008

Manager
Joined: 05 Oct 2005
Posts: 200
Re: Is x > y? [#permalink]

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29 Jun 2006, 08:52
willget800 wrote:
Is x > y?

1) x= y+2
2) x/2 = y-1

I am not sure I agree with the OA here....

interesting exercise

like to know the OA

A obviously sufficient

b ? not really comfortable with it
what i did x/2 *2=2 (y-1)
x=2y -2
from there quite stuck
plz any clues
thanks
_________________

when there is a will there is a way

best regards

Director
Joined: 04 Jan 2006
Posts: 922

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29 Jun 2006, 08:52
OA is A..

I figured out my mistake.. I thought it was D for some reason..

I did not consider a huge number like 10 when I was doing my calculations.!!!

Thanks guys!
Director
Joined: 07 Jun 2006
Posts: 513
Re: Is x > y? [#permalink]

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02 Jul 2006, 15:38
willget800 wrote:
Is x > y?

1) x= y+2
2) x/2 = y-1

I am not sure I agree with the OA here....

(1) is suff, check for 6 = 4+2, 0 = -2+2, 2 = 0+2

(2) x = 2(y-1) -- can't say, for e.g. if = -2, then x = -6, but if y = 26 then x = 50.

(A)
Re: Is x > y?   [#permalink] 02 Jul 2006, 15:38
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