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In Motor City 90 percent of

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Joined: 20 May 2019
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In Motor City 90 percent of [#permalink]  08 Jun 2019, 05:08
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0% (00:00) correct 100% (02:32) wrong based on 1 sessions
In Motor City 90 percent of the population own a car, 15 percent own a motorcycle, and everybody owns one or the other or both. What is the percentage of motorcycle owners who own cars?

(A) 5%
(B) 15%
(C) 33 1/3%
(D) 50%
(E) 90%
[Reveal] Spoiler: OA
Manager
Joined: 08 Dec 2018
Posts: 94
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Kudos [?]: 34 [0], given: 30

Re: In Motor City 90 percent of [#permalink]  09 Jun 2019, 08:14
Say, x% hold both vehicles
only car+only motor+both=100%
So, (90-x)+(15-x)+x=100
X=5%.
Motor holder 15% of which 5% hold car also.
(5/15)/100= 33.33% of motor holder hold Car
Re: In Motor City 90 percent of   [#permalink] 09 Jun 2019, 08:14
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