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Each of 30 students studies at least one of the three

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Each of 30 students studies at least one of the three [#permalink] New post 30 Jul 2008, 18:08
Each of 30 students studies at least one of the three languages, English, French, and Italian. If 17 students study English, 13 students study French, and 20 students study Italian, what is the least possible number of the students who study all three languages?
(A) 0
(B) 4
(C) 6
(D) 7
(E) 10
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Re: sets.... [#permalink] New post 30 Jul 2008, 18:18
A

A possible scenario
10 students only English
7 students English/Italian
13 students French/Italian
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Re: sets.... [#permalink] New post 30 Jul 2008, 19:35
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Answer A


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Re: sets.... [#permalink] New post 30 Jul 2008, 22:59
Thanks for the figure Rahul
Re: sets....   [#permalink] 30 Jul 2008, 22:59
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Each of 30 students studies at least one of the three

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