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In Motor City 90 percent of
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08 Jun 2019, 05:08
08 Jun 2019, 05:08
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30% (02:06) correct
69% (01:32) wrong based on 33 sessions
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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%
(A) 5%
(B) 15%
(C) 33 1/3%
(D) 50%
(E) 90%
Re: In Motor City 90 percent of
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09 Jun 2019, 08:14
09 Jun 2019, 08:14
1
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
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
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31 May 2023, 20:05
31 May 2023, 20:05
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Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
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