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# Of the guests at a charity fundraiser, 180 own both a house

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Senior Manager
Joined: 29 Jan 2011
Posts: 358
Of the guests at a charity fundraiser, 180 own both a house [#permalink]

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19 Jun 2011, 16:10
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Difficulty:

45% (medium)

Question Stats:

67% (02:04) correct 33% (01:30) wrong based on 21 sessions

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Of the guests at a charity fundraiser, 180 own both a house in the Hamptons and a house in Palm Beach. If not every guest at the fundraiser owns a house in either the Hamptons or Palm Beach, what is the ratio of the number of people who own a house in Palm Beach but not in the Hamptons to the number of people who own a house in the Hamptons but not in Palm Beach?

(1) One-half of the guests own a house in Palm Beach.

(2) Two-thirds of the guests own a house in the Hamptons.
[Reveal] Spoiler: OA
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Joined: 16 Nov 2010
Posts: 1664
Location: United States (IN)
Concentration: Strategy, Technology

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19 Jun 2011, 18:11
The answer is E. Drawing a Venn Diagram would make this easier, we need to know the Total number of people to use (1) or (2), and that is not given here.
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Re: MGMAT DS   [#permalink] 19 Jun 2011, 18:11
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