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# If 500 is the multiple of 100 that is closest to x and 400

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Manager
Affiliations: CFA L3 Candidate, Grad w/ Highest Honors
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If 500 is the multiple of 100 that is closest to x and 400 [#permalink]

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02 Aug 2009, 13:47
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If 500 is the multiple of 100 that is closest to x and 400 is the multiple of 100 that is closest to y, which multiple of 100 is closest to x + y?

(1) x < 500

(2) y < 400

I found the wording in this Q to be really confusing.....wondering if anyone could decode it?
Senior Manager
Joined: 20 Mar 2008
Posts: 445
Re: Odd wording in DS question from GMAT Prep [#permalink]

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02 Aug 2009, 15:11
This is a range problem. Here's my take:

X has to be between 450 < x <= 550 (If x was below 450, then it will be closer to 400, and not 500.)
Similarly, 350 < y <=450. (Similar reasoning, as above.)

(1): 450 < x < 500, without knowing y (x+y)'s range cannot be determined. Insuff.
(2): 350 < y < 400, without knowing x (x+y)'s range cannot be determined. Insuff.

Combined: 800 < X + y < 900. We cannot determine if 800 or 900 is the closest multiple. Hence, E

What's OA?
Retired Moderator
Joined: 05 Jul 2006
Posts: 1741
Re: Odd wording in DS question from GMAT Prep [#permalink]

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02 Aug 2009, 21:23
robertrdzak wrote:
If 500 is the multiple of 100 that is closest to x and 400 is the multiple of 100 that is closest to y, which multiple of 100 is closest to x + y?

(1) x < 500

(2) y < 400

I found the wording in this Q to be really confusing.....wondering if anyone could decode it?

450<X<500, 350<Y<400

800<X+Y<900 WE CAN NEVER TELL ..INSUFF...E
Manager
Affiliations: CFA L3 Candidate, Grad w/ Highest Honors
Joined: 03 Nov 2007
Posts: 131
Location: USA
Schools: Chicago Booth R2 (WL), Wharton R2 w/ int, Kellogg R2 w/ int
WE 1: Global Operations (Futures & Portfolio Financing) - Hedge Fund (\$10bn+ Multi-Strat)
WE 2: Investment Analyst (Credit strategies) - Fund of Hedge Fund (\$10bn+ Multi-Strat)
Re: Odd wording in DS question from GMAT Prep [#permalink]

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04 Aug 2009, 20:29
Re: Odd wording in DS question from GMAT Prep   [#permalink] 04 Aug 2009, 20:29
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