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# A library has 3 red books, 4 black books and 2 white-Probability-PS

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Director
Joined: 08 Jun 2013
Posts: 515
Location: India
Schools: INSEAD Jan '19
GMAT 1: 200 Q1 V1
GPA: 3.82
WE: Engineering (Other)
A library has 3 red books, 4 black books and 2 white-Probability-PS  [#permalink]

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11 Aug 2018, 09:34
00:00

Difficulty:

(N/A)

Question Stats:

75% (01:22) correct 25% (01:46) wrong based on 4 sessions

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A library has 3 red books, 4 black books and 2 white books. What is the probability of student issuing a red book and a white book (not necessarily in that order) in two successive issues, each book being returned before fresh request for issue of new book?

A) 1/9

B) 8/9

C) 4/27

D) 7/9

E) 2/27

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Joined: 02 Sep 2009
Posts: 51215
Re: A library has 3 red books, 4 black books and 2 white-Probability-PS  [#permalink]

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11 Aug 2018, 12:15
Harshgmat wrote:
A library has 3 red books, 4 black books and 2 white books. What is the probability of student issuing a red book and a white book (not necessarily in that order) in two successive issues, each book being returned before fresh request for issue of new book?

A) 1/9

B) 8/9

C) 4/27

D) 7/9

E) 2/27

Discussed here: https://gmatclub.com/forum/a-bag-contai ... -8350.html
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Re: A library has 3 red books, 4 black books and 2 white-Probability-PS &nbs [#permalink] 11 Aug 2018, 12:15
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# A library has 3 red books, 4 black books and 2 white-Probability-PS

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