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On July 1st the ratio of men to women in Club X was 9 to 20. During the month, 2
On July 1st the ratio of men to women in Club X was 9 to 20. During the month, 2
游客
2024-01-12
52
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问题
On July 1st the ratio of men to women in Club X was 9 to 20. During the month, 2 additional men and 2 additional women joined the club, and no members dropped out.
Column A Column B
The ratio of men to women in
Club X at the end of July 1/2
选项
A、if the quantity in Column A is greater
B、if the quantity in Column B is greater
C、if the two quantity are equal
D、if the relationship cannot be determined from the information given
答案
D
解析
7月1日X俱乐部的男女比例是9:20。这个月中又有2名男子和2名女士加入该俱乐部,且无会员退出。
解:本题的正确答案为(D)。比较的左项是在7月底X俱乐部的男女比。考生在做此题时,最易犯的错误是把9:20当成是男女的人数,从而进行计算时得到(9+2):(20+2)=1/2,认真思考,考生就能发现9:20是比例,而2是数字,两者不能相加。
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