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Science Books

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Intern
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Joined: 01 May 2009
Posts: 41

Kudos [?]: 42 [0], given: 0

Science Books [#permalink]

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New post 02 Jun 2009, 06:37
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Hello people, I am quite new in this forum.

I would like to request your help in solving this question (PS).

Of the science books in a certain supply room, 50 are on botany, 65 are on zoology, 90 are on physics. 50 are on geology, and 110 are on chemistry. If science books are removed randomly from the supply room, how many must be removed to ensure that 80 of the books removed are on the same science?
(A) 81
(B) 159
(C) 166
(D) 285
(E) 324


Thanks so much people~

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Senior Manager
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Joined: 16 Jan 2009
Posts: 354

Kudos [?]: 239 [0], given: 16

Concentration: Technology, Marketing
GMAT 1: 700 Q50 V34
GPA: 3
WE: Sales (Telecommunications)
Re: Science Books [#permalink]

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New post 03 Jun 2009, 11:52
Hello cialit0506,

tough one!

Could you please post the explanation?
_________________

Lahoosaher

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Posts: 41

Kudos [?]: 42 [0], given: 0

Re: Science Books [#permalink]

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New post 07 Jun 2009, 22:25
Hello ppl,

I think I have got the answer from some of the other forum users.

Please refer to this link

science-books-79314.html?highlight=science+books

Thanks for the help everyone!

Kudos [?]: 42 [0], given: 0

Re: Science Books   [#permalink] 07 Jun 2009, 22:25
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