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# Is |x| + x > |y| + y ? 1) x > y 2) Both x and y are

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Manager
Joined: 04 Jan 2008
Posts: 117
Is |x| + x > |y| + y ? 1) x > y 2) Both x and y are [#permalink]

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15 Sep 2008, 04:14
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Is |x| + x > |y| + y ?

1) x > y
2) Both x and y are negative
Intern
Joined: 02 Sep 2008
Posts: 45

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15 Sep 2008, 07:34

As, we know x and y are negative.

so, |x| + x is always 0 for any value of x.
similarly, |y| + y also 0 for any value of y.

so, 0 can not be equal to 0.

Hence, answere is one and only No. it is a sufficient.
Current Student
Joined: 28 Dec 2004
Posts: 3317
Location: New York City
Schools: Wharton'11 HBS'12

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15 Sep 2008, 07:50
i would go with B..

1) if x>y
then suppose x >0 and y>0
2+2>1+1 YES
suppose x<0 and y<0

|-1|-1> |-2|-2 =0>0 NO

insuff

2) suff
Re: Zumit DS 025   [#permalink] 15 Sep 2008, 07:50
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