Of the guests at a charity fundraiser, 180 own both a house : GMAT Data Sufficiency (DS)
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Of the guests at a charity fundraiser, 180 own both a house

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

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19 Jun 2011, 15:10
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Difficulty:

45% (medium)

Question Stats:

68% (02:09) correct 32% (01:45) wrong based on 19 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.
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19 Jun 2011, 17:11
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, 17:11
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