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QOTD#18 Of 60 students in a class 2/3 are girls, and 2/5 of

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GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
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QOTD#18 Of 60 students in a class 2/3 are girls, and 2/5 of [#permalink] New post 08 Dec 2016, 05:13
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Of 60 students in a class 2/3 are girls, and 2/5 of the class are taking music lessons. What is the maximum number of girls that are not taking music lessons?

Enter the value below

[Reveal] Spoiler: OA
36

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1 KUDOS received
GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4710
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 91

Kudos [?]: 1613 [1] , given: 375

CAT Tests
Re: QOTD#18 Of 60 students in a class 2/3 are girls, and 2/5 of [#permalink] New post 08 Dec 2016, 05:18
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Explanation

If 2/3 of the class of 60 are girls (=40), 1/3 must be boys (=20)
2/5 of the class (=24) are taking music.
The maximum number of girls not taking music will be when all the boys take music.
If all 20 boys take music, then only 4 girls need to take it, so 36 girls do not take music lessons.
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Sandy
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Re: QOTD#18 Of 60 students in a class 2/3 are girls, and 2/5 of   [#permalink] 08 Dec 2016, 05:18
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QOTD#18 Of 60 students in a class 2/3 are girls, and 2/5 of

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