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hard prep- venn diagram

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hard prep- venn diagram

by syflysun » Sat Oct 24, 2009 3:09 am
40 students study French. 30 study spanish, 20 go for chinese, so how many students study exact 2 languages?

1)5 people study 3 languages
2)52 students study at least one of the three languages
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Source: — Data Sufficiency |
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by xcusemeplz2009 » Sat Oct 24, 2009 3:39 am
is it C

I am getting 18 as the ans with using bth
It does not matter how many times you get knocked down , but how many times you get up
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by palvarez » Sun Oct 25, 2009 1:53 pm
xcusemeplz2009 wrote:is it C

I am getting 18 as the ans with using bth
Well, it is 28 using both.

95-52 - 5*3 = 28
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