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# png did they consider children who have inflammation and

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Intern
Joined: 13 Apr 2009
Posts: 12
png did they consider children who have inflammation and [#permalink]

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04 May 2009, 01:54
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did they consider children who have inflammation and fever?

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Manager
Joined: 08 Feb 2009
Posts: 140
Schools: Anderson

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04 May 2009, 04:00
Yes, they considered the number of children who have Inflammation AND Fever.

Lets solve for it.

1000 = Total number of Children = N

F = People who have only Fever (and nothing else)

I = Inflammation only (and nothing else)

x = people who have Inflammation AND Fever

y = Not affected by anything at all

1000 = y + I + F + x

(1) y = 880, NOT SUFFICIENT because we need values for two more variables

(2) F + x = 20, NOT SUFFICIENT because we need values for one more variable. You might have got confused by assuming that Number of Children who have Fever implies the number that have FEVER ONLY.

Combining, 1000 = 880 + I + 20.

Solve for I to get the answer.

Hope it helps.

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Re: sick children   [#permalink] 04 May 2009, 04:00
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