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GRE Math Challenge #34-On July 1st the ratio of men to women
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19 Sep 2014, 03:20
19 Sep 2014, 03:20
Expert Reply
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Question Stats:
53% (00:57) correct
46% (00:15) wrong based on 15 sessions
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On July 1st the ratio of men to women in CLUB X WAS 9 to 20. During the month, 2 diitional men and 2 additional women joined the club, and no members dropped out.
Column A: The ratio of men to women in Club X at the end of July
Column B: 1/2
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Column A: The ratio of men to women in Club X at the end of July
Column B: 1/2
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Re: GRE Math Challenge #34-On July 1st the ratio of men to women
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11 Mar 2018, 05:02
11 Mar 2018, 05:02
2
sandy wrote:
On July 1st the ratio of men to women in CLUB X WAS 9 to 20. During the month, 2 diitional men and 2 additional women joined the club, and no members dropped out.
Column A: The ratio of men to women in Club X at the end of July
Column B: 1/2
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Column A: The ratio of men to women in Club X at the end of July
Column B: 1/2
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
First, we should keep in mind that ratio does NOT necessarily mean actual numbers.
We are told that the ratio of men to women was 9/20 on July 1st, yet in middle of the month 2 men and 2 women join separately.
Thus, we can think of two scenarios. First, the real number of men and women at the beginning of july was 9 and 20, then 2 men and 2 women join. thus, ratio would be 11/22=1/2.
Yet, we can think that the real number of men and women at the beginning of july was 18 and 40, then 2 men and 2 women join. thus, ratio would be 20/42<1/2.
Hence, the answer is D.
.
Re: GRE Math Challenge #34-On July 1st the ratio of men to women
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20 Nov 2022, 09:50
20 Nov 2022, 09:50
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