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# DS PREP

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Intern
Joined: 18 Feb 2006
Posts: 10
Location: Zurich
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21 May 2006, 06:32
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Difficulty:

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0% (00:00) correct 0% (00:00) wrong based on 0 sessions

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edited

Last edited by chairman_and_ceo on 13 Jul 2008, 06:56, edited 3 times in total.
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Joined: 14 Dec 2004
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21 May 2006, 06:42
"A" looks correct.

M - No of males
F - No of females

M + F = 1400 ----- (1)

From statement 1:
0.36M + 0.5F = 588 ------(2)

If we solve (1) & (2) we can get "F" as asked by the question.
[#permalink] 21 May 2006, 06:42
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