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which of the following must be true?

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Director
Director
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Joined: 25 Oct 2008
Posts: 609
Location: Kolkata,India
Followers: 9

Kudos [?]: 196 [0], given: 100

which of the following must be true? [#permalink] New post 06 Jun 2009, 03:57
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
If y + | y | = 0, which of the following must be true?

(A) y > 0

(B) y≥0

(C) y < 0

(D) y≤0

(E) y = 0

[spoiler]OA:D[/spoiler]
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Manager
Manager
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Joined: 01 May 2009
Posts: 116
Followers: 2

Kudos [?]: 23 [0], given: 11

Re: which of the following must be true? [#permalink] New post 06 Jun 2009, 06:30
y + | y | = 0

| y | is always positive irrespective of y being +ve or -ve, therefore for y + | y | = 0 implies y must be 0 or -ve.

y<=0 is the right answer.
Senior Manager
Senior Manager
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Joined: 10 Dec 2008
Posts: 484
Location: United States
GMAT 1: 760 Q49 V44
GPA: 3.9
Followers: 29

Kudos [?]: 121 [0], given: 12

Re: which of the following must be true? [#permalink] New post 06 Jun 2009, 06:36
Another way you can solve this problem is just to plug in numbers. Try a 0, a positive number, and a negative number, and you'll see that the solution doesn't hold for positive numbers, but does for the other two.
Re: which of the following must be true?   [#permalink] 06 Jun 2009, 06:36
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