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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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New post 19 Jun 2011, 15:10
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Difficulty:

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Question Stats:

65% (01:09) correct 35% (01:40) wrong based on 23 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.

OPEN DISCUSSION OF THIS QUESTION IS HERE: https://gmatclub.com/forum/at-a-charity ... 31049.html
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Re: Of the guests at a charity fundraiser, 180 own both a house [#permalink]

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

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New post 03 Dec 2017, 05:37
siddhans wrote:
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.


At a charity fundraiser, 180 of the guests had a house both in the Hamptons and in Palm Beach. If not everyone at the fundraiser had a house in either the Hamptons or Palm Beach, what is the ratio of the number of people who had a house in Palm Beach but not in the Hamptons to the number of people who had a house in the Hamptons but not in Palm Beach?

(1) One-half of the guests had a house in Palm Beach.
(2) Two-thirds of the guests had a house in the Hamptons

Look at the diagram below for (1)+(2):
Image
We should find the ratio of yellow boxes, but with the info given it's not possible.

Answer: E.

OPEN DISCUSSION OF THIS QUESTION IS HERE: https://gmatclub.com/forum/at-a-charity ... 31049.html
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Re: Of the guests at a charity fundraiser, 180 own both a house   [#permalink] 03 Dec 2017, 05:37
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