GMAT 無料問題集「Admission Tests Graduate Management Admission Test」
Geraldine: The medical profession claims that it is constantly refining its diagnostic techniques so as to improve its ability to treat those who are ill, but I suspect that this is all Just obfuscation. Anyone who really wants to know why medical diagnoses have increased in recent years need look only at the tremendous amount of money that is made manufacturing, advertising, and distributing drugs.
Which of the following would it be most useful to determine in evaluating Geraldine's explanation?
Which of the following would it be most useful to determine in evaluating Geraldine's explanation?
正解:D
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Of the 45 households in a certain neighborhood, 28 subscribe to Newspaper Q, 17 subscribe to Newspaper R,
12 subscribe to Newspaper S, 7 subscribe to both Q and R, 8 subscribe to both Q and 5, and 9 subscribe to both R and 5. The number of households who subscribe to all three newspapers is equal to the number of households who subscribe to none of the three newspapers. If 39 of the households subscribe to at least one of the three newspapers, how many households subscribe to only one of the newspapers?
12 subscribe to Newspaper S, 7 subscribe to both Q and R, 8 subscribe to both Q and 5, and 9 subscribe to both R and 5. The number of households who subscribe to all three newspapers is equal to the number of households who subscribe to none of the three newspapers. If 39 of the households subscribe to at least one of the three newspapers, how many households subscribe to only one of the newspapers?
正解:B
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![](https://www.jpntest.com/uploads/imgs/GMAT V13.35/img_413.jpg)
The chart above shows political and geographic data on a certain legislative committee of 20 members, each of whom belongs to 1 of 2 political parties and lives in 1 of 4 regions. How many subcommittees of this legislative committee are possible that contain exactly 1 member from each of the 4 regions and the same number of members from each of the 2 political parties?
正解:B
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Akira's monthly income consists of his monthly salary of $3,200 plus a 6 percent commission on the portion of his monthly sales that is in excess of $3,000. If Akira's monthly income was $3,320 in March and $3,620 in April, what was the total amount of his sales in March and April?
正解:D
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The Red Balloon Challenge was an experiment aimed at determining how quickly widely disbursed information could be gathered using social media. Competitors tried to locate 10 red weather balloons that had been tethered above random locations around the world in return for a $40,000 prize. The winning team located all of the balloons in just 9 hours, using an incentive-based strategy to encourage information sharing; The first person to send the correct coordinates of a particular balloon to the team received $2,000, but whoever recruited that person received $1,000, and the recruiter's recruiter received S500, and that person's recruiter received $250.
Select for 3 payments per balloon the amount of the prize money that the winning team would have remaining if they had to pay 3 people for each balloon located, and select for 4 payments per balloon the amount of the prize money that the winning team would have remaining if they had to pay 4 people for each balloon located.
Make only two selections, one in each column.
![](https://www.jpntest.com/uploads/imgs/GMAT V13.35/img_220.jpg)
Select for 3 payments per balloon the amount of the prize money that the winning team would have remaining if they had to pay 3 people for each balloon located, and select for 4 payments per balloon the amount of the prize money that the winning team would have remaining if they had to pay 4 people for each balloon located.
Make only two selections, one in each column.
![](https://www.jpntest.com/uploads/imgs/GMAT V13.35/img_220.jpg)
正解:
![](https://www.jpntest.com/uploads/imgs/GMAT V13.35/img_221.jpg)
Explanation
![](https://www.jpntest.com/uploads/imgs/GMAT V13.35/img_223.jpg)
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