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题库 / GMATLA-CR-13
The percentage of households with an annual income of more than $40,000 is higher in Merton county than in any other county. However, the percentage of households with an annual income of $60,000 or more is highest in Sommer county.
If the statements above are true, which of the following can properly be concluded on the basis of them?
No household in Merton county has an annual income of $60,000 or more.
Some households in Merton county have an annual income between $40,000 and $60,000.
The number of households with an annual income of more than $40,000 is greater in Merton than in Sommer county.
Average annual household income is higher in Sommer than in Merton county.
The percentage of households with an annual income of $80,000 is higher in Sommer than in Merton county.
原文说的是收入大于40000的M城的人数比例是最多的（也就是说应该M城有最多比例的人收入都大于40000而不是等于40000），而收入大于或等于60000的S城的人数比例也最多的。那为什么M城不是收入大于60000的人数比例最高的城市呢？只有可能是M城有很大一部分的人收入大于40000而又小于60000，所以M城才没有成为收入大于60000的人数比例最高的城市。就是一个数学题啊~~~
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