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If there are twice as many women as men in a group and an eq [#permalink]
08 Sep 2012, 05:01
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This post was BOOKMARKED
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Difficulty:
55% (hard)
Question Stats:
55% (02:59) correct
45% (01:57) wrong based on 113 sessions
If there are twice as many women as men in a group and an equal number of men and women do not own cars - a group that is 30% of the total. What fraction of the total is men who own cars?
Re: If there are twice as many women as men in a group and an eq [#permalink]
08 Sep 2012, 05:14
mehulsayani wrote:
If there are twice as many women as men in a group and an equal number of men and women do not own cars - a group that is 30% of the total. What fraction of the total is men who own cars?
A) 3⁄20 B) 11⁄60 C) 9⁄40 D) 1⁄3 E) 11⁄20
Consider a group of 100 men and 200 women, a total of 300 people. 30% of them, which is 90, form a group of people who don't own a car. Half of them are men, and the other half are women, more precisely 45. It means that there are 100 - 45 = 55 men who own a car, and this represents 55/300 = 11/60 of the total.
Answer B _________________
PhD in Applied Mathematics Love GMAT Quant questions and running.
Re: If there are twice as many women as men in a group and an eq [#permalink]
08 Sep 2012, 05:33
EvaJager wrote:
mehulsayani wrote:
If there are twice as many women as men in a group and an equal number of men and women do not own cars - a group that is 30% of the total. What fraction of the total is men who own cars?
A) 3⁄20 B) 11⁄60 C) 9⁄40 D) 1⁄3 E) 11⁄20
Consider a group of 100 men and 200 women, a total of 300 people. 30% of them, which is 90, form a group of people who don't own a car. Half of them are men, and the other half are women, more precisely 45. It means that there are 100 - 45 = 55 men who own a car, and this represents 55/300 = 11/60 of the total.
Answer B
Now consider a group of 20 women and 40 men, 30% of ppl can't drive i.e. 18, half of them are men, so 9 men don't own a car. So, no. of men who own a car is 40-9 = 31.
SO, the required ratio is 31/60. which is what I was getting. Correct me if I am wrong somewhere.
Re: If there are twice as many women as men in a group and an eq [#permalink]
08 Sep 2012, 05:38
mehulsayani wrote:
EvaJager wrote:
mehulsayani wrote:
If there are twice as many women as men in a group and an equal number of men and women do not own cars - a group that is 30% of the total. What fraction of the total is men who own cars?
A) 3⁄20 B) 11⁄60 C) 9⁄40 D) 1⁄3 E) 11⁄20
Consider a group of 100 men and 200 women, a total of 300 people. 30% of them, which is 90, form a group of people who don't own a car. Half of them are men, and the other half are women, more precisely 45. It means that there are 100 - 45 = 55 men who own a car, and this represents 55/300 = 11/60 of the total.
Answer B
Now consider a group of 20 women and 40 men, 30% of ppl can't drive i.e. 18, half of them are men, so 9 men don't own a car. So, no. of men who own a car is 40-9 = 31.
SO, the required ratio is 31/60. which is what I was getting. Correct me if I am wrong somewhere.
Re: If there are twice as many women as men in a group and an eq [#permalink]
08 Sep 2012, 05:38
mehulsayani wrote:
EvaJager wrote:
mehulsayani wrote:
If there are twice as many women as men in a group and an equal number of men and women do not own cars - a group that is 30% of the total. What fraction of the total is men who own cars?
A) 3⁄20 B) 11⁄60 C) 9⁄40 D) 1⁄3 E) 11⁄20
Consider a group of 100 men and 200 women, a total of 300 people. 30% of them, which is 90, form a group of people who don't own a car. Half of them are men, and the other half are women, more precisely 45. It means that there are 100 - 45 = 55 men who own a car, and this represents 55/300 = 11/60 of the total.
Answer B
Now consider a group of 20 women and 40 men, 30% of ppl can't drive i.e. 18, half of them are men, so 9 men don't own a car. So, no. of men who own a car is 40-9 = 31.
SO, the required ratio is 31/60. which is what I was getting. Correct me if I am wrong somewhere.
If there are twice as many women as men - you should have 20 men and 40 women. Then continue. _________________
PhD in Applied Mathematics Love GMAT Quant questions and running.
Re: If there are twice as many women as men in a group and an eq [#permalink]
02 Sep 2014, 17:13
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Re: If there are twice as many women as men in a group and an eq [#permalink]
15 Nov 2015, 11:31
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Thanks to another GMAT 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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