Read the passage and choose the option that best answer the question.

1. Questions 3-4 refer to the following:

Jay: We have too many people working on each of our computers in the office. The high frequency of breakdowns is due to too many people handling the same hardware.

Ada: We have just as many people working in our office, yet we hardly need any repairs to our systems. Our systems must be more robust than yours.

Ada?s argument would be most strengthened by providing data on the

2. Mr. Janeck : I don't believe Stevenson will win the election for governor. Few voters are willing to elect a businessman with no political experience to such a responsible public office. Ms. Siuzdak : You're wrong. The experience of running a major corporation is a valuable preparation for the task of running a state government. M. Siuzdak's response shows that she has interpreted Mr. Janeck's remark to imply which of the following?

3. Of those person who became teachers in 1968 and who later left the profession, 30 percent today earn salaries above $35,000 a year: of those who became teachers in 1968 and have remained in the profession, only 15 percent today earn salaries above $35,000 a year. These figures indicate how underpaid teachers are today. The argument above depends on which of the following assumptions about the persons for whom statistics are cited?

4. When people predict that certain result will not take place unless a certain action is taken, they believe that they have learned that the prediction is correct when the action is taken and the result occurs. On reflection, however, it often becomes clear that the result admits of more than one interpretation. Which of the following, if true, best supports the claims above?

5. Which of the following best completes the passage below? The computer industry's estimate that it loses millions of dollars when users illegally copy programs without paying for them is greatly exaggerated. Most of the illegal copying is done by people with no serious interest in the programs. Thus, the loss to the industry is much smaller than estimated because______

6. To prevent some conflicts of interest, Congress could prohibit high-level government officials from accepting positions as lobbyists for three years after such officials leave government service. One such official concluded, however, that such a prohibition would be unfortunate because it would prevent high-level government officials from earning a livelihood for three years. The official's conclusion logically depends on which of the following assumptions?

7. A drug that is highly effective in treating many types of infection can, at present, be obtained only from the bark of the ibora , a tree that is quite rare in the wild. It takes the bark of 5,000 trees to make one kilogram of the drug. It follows, therefore, that continued production of the drug must inevitably lead to the ibora's extinction. Which of the following, if true, most seriously weakens the argument above?

8. In order to relieve congestion in the airspace near the airports of a certain country, transportation officials propose sending passengers by new rapid trains between the country's major airport and several small cities within a 300-mile radius of it. This plan was proposed even though the officials realized that it is the major airport that is congested, not those in the small cities. The plan to relieve congestion would work best if which of the following were true about the major airport?

9. Hotco oil burners, designed to be used in asphalt plants, are so efficient that Hotco will sell one to the Clifton Asphalt plant for no payment other than the cost savings between the total amount the asphalt plant actually paid for oil using its former burner during the last two years and the total amount it will pay for oil using the Hotco burner during the next two years. On installation, the plant will make an estimated payment, which will be adjusted after two years to equal the actual cost savings. Which of the following, if it occurred, would constitute a disadvantage for Hotco of the plan described above?

10. A severe drought can actually lessen the total amount of government aid that United States farmers receive as a group. The government pays farmers the amount, if any, by which the market price at which crops are actually sold falls short of a preset target price per bushel for the crops. The drought of 1983, for example, caused farm-program payments to drop by $10 billion. Given the information above, which of the following, if true, best explains why the drought of 1983 resulted in a reduction in farm-program payments?