| 1 |
Every town with a pool hall has its share of unsavory characters. This is because the pool hall attracts gamblers and all gamblers are unsavory. Which of the following, if true, cannot be inferred from the above ?
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A. All gamblers are unsavory,
B. All pol halls attract gamblers.
C. Every town has unsavory characters.
D. All gamblers are attracted by pool halls.
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| 2 |
Significant beneficial effect of smoking occur primarily in the area of mental health, and the habit originates in a search for contentment. The life expectancy of our people has increased greatly in recent years; it is possible that the relaxation and contentment and enjoyment produced by smoking has lengthened many lives. Smoking is beneficial. Which of the following, it true, weaken the above conclusion ?
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A. That cigarettes are a major health hazard cannot be traced to the willfull act of any human or organization.
B. The government earns millions of dollars from the tobacco tax and tens of thousands of civilians are employed in the tobacco industry.
C. The evidence cited in the statement covers only one example of the effects of cigarette smoking.
D. No mention is made of possible harmful side-effects of smoking.
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| 3 |
In a world of many trading countries, the trade between two countries need not be balanced for the trade of each to be in global balance. Differing demands and productive capabilities among countries will cause a specific country to have trade deficits with some countries and surpluses with other countries. Which of the following conclusions best summarizes the passage above ?
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A. A country trade will always be in balance even though it runs a deficit with a single country.
B. A country trade deficits and surpluses with other countries always balance out.
C. A country global trade balance is a sign of strength or weakness.
D. Countries should not be concerned if they have trade deficits because they will balance out in the long run.
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| 4 |
Ira is taller than Sam. Elliot is taller than Harold. Harold is shorter than Gene. Sam and Gene are of the same height. If the above is true, which of the following conditions, must also be true?
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A. Elliot is taller than Gene
B. Elliot is taller than Ira
C. Sam is shorter than Elliot
D. Ira is taller than Harold
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| 5 |
In the human body, platelets, promote blood clotting by clumping together. Aspirin has been found to prevent clotting by making platelets less sticky. Research has now shown that heart attacks and strokes caused by blood clots could be avoided by taking one aspirin a day. Statistics show that the incidence of second heart attacks Unfortunately, the drug has several unpleasant side effects, including nausea, gastric bleeding, and, in severe cases, shock. In children, it has been linked to Reye Syndrome, a rare, but occasionally fatal, childhood illness. One balance, however, for men aged 40 and over, an aspirin a day may present an excellent prophylactic measure for a disease that affects 1.5 million Americans yearly and claims the lives of about 540,000. Which of the following conclusions can most properly be drawn from the information above ?
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A. All people should take an aspirin a day to prevent heart attacks.
B. Painkillers prevent heart attacks.
C. Smokers can safely continue smoking, provided that they take at least one aspirin a day.
D. The majority of people suffering second subsequent cardiac arrests could have been saved by taking an aspirin a day.
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| 6 |
Professor Akram told his class that the method of student evaluation of teachers is not a valid measure of teaching quality. Students should fill out questionnaires at the end of the semester when courses have been completed. Which of the following, if true, provides support for Professor Akram proposal ?
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A. Professor Akram received low ratings from his students.
B. Students filled out questionnaires after the midterm exam.
C. Students are interested in teacher evaluation.
D. Teacher are not obligated to use the survey results.
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| 7 |
Farmers in the North have observed that heavy frost is usually preceded by a full moon somehow generates the frost. Which of the following, if true, would weaken the farmers conviction ?
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A. The temperature must fall below 10 degrees Celsius (50 degrees Fahrenheit) for frost to occur.
B. Absence of a cloud cover cools the ground which causes frost.
C. Farmers are superstitious.
D. No one has proven that the moon causes frost.
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| 8 |
The movement to ownership by unions is the latest step in the progression form management ownership to employee ownership. Employee ownership can save depressed and losing companies. All the following statements, if true, provide support for the claim above except:
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A. Employee-owned companies generally have higher productivity.
B. Employee participation in management raises morale.
C. Employee union ownership drives up salaries and wages.
D. Employee union ownership enables workers to share in the profits.
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| 9 |
The director of the customs service suggested that customs taxes on automobiles not be reduced as planned by the government because of the high incidence of traffic accidents last year. Which of the above statements weakens the argument above ? 1. Although the traffic accident rate last year was high, it was not appreciably higher than previous years and anyway, compulsory insurance covered most physical damage to automobiles and property. 2. A Commerce Department report showed that the demand for automobiles was highly inelastic. That is, as dealers lowered their prices, sales did not increase appreciably. 3. A study by the Economics Department at Classics University found that most traffic accidents had been caused by human error although it also concluded that an inadequate road network contributed to at least 40 percent of passenger injuries.
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A. I, but not II and not III.
B. II, but not I and not III.
C. I and III, but not II.
D. II and III, but not I.
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| 10 |
The burning of coal, oil, and other combustible energy sources produces carbon dioxide, a natural constituent of the atmosphere. Elevated levels of carbon dioxide are thought to be responsible for half the greenhouse effect. Enough carbon dioxide has been sent into the atmosphere already to cause a significant temperature increase. Growth in industrial production must be slowed, or production processes must be changed. Which of the following, it true, would tend to weaken the strength of the above conclusion ?
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A. Many areas of the world are cold anyway, so a small rise in temperature would be welcome.
B. Carbon dioxide is bad for the health.
C. Most carbon dioxide is emitted by automobiles.
D. Industry is switching over to synthetic liquid fuel extracted form coal.
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