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Fifty percent of the articles in a certain magazine are written by sta

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Fifty percent of the articles in a certain magazine are written by sta [#permalink]

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New post 19 May 2016, 03:27
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76% (02:08) correct 24% (01:25) wrong based on 72 sessions

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Fifty percent of the articles in a certain magazine are written by staff members. Sixty percent of the articles are on current affairs. If 75 percent of the articles on current affairs are written by staff members with more than 5 years experience of journalism, how many of the articles on current affairs are written by staff members with more than 5 years experience?

(1) 20 articles are written by staff members.
(2) Of the articles on topics other than current affairs, 50 percent are by staff members with less than 5 years experience.
[Reveal] Spoiler: OA

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Kudos [?]: 132904 [0], given: 12391

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Re: Fifty percent of the articles in a certain magazine are written by sta [#permalink]

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New post 19 May 2016, 11:54
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St 1: 20 articles are written by staff
so total articles = 40

number of articles on current affairs = 60% of 40
current affairs written by staff with more than 5 years of experience = 75% of 60% of 40 = 18
Sufficient

St2: No information on the number of articles
insufficient

Ans: A

Kudos [?]: 31 [1], given: 21

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Re: Fifty percent of the articles in a certain magazine are written by sta [#permalink]

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New post 28 Sep 2017, 22:10
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Kudos [?]: 283 [0], given: 0

Re: Fifty percent of the articles in a certain magazine are written by sta   [#permalink] 28 Sep 2017, 22:10
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