2011年GMAT逻辑推理试题训练75

    6. Recent audits revealed that BanqueCard， a credit service， has erred in calculating the interest it charges its clients. But BanqueCard‘s chief accountant reasoned that the profits that the company shows would remain unaffected by a revision of its clients’ credit statements to correct its previous billing errors， since just as many clients had been overcharged as undercharged.

    Which of the following is a reasoning error that the accountant makes in concluding that correcting its clients‘ statements would leave BanqueCard’s profits unaffected？

    （A） Relying on the reputation of BanqueCard as a trustworthy credit service to maintain the company‘s clientele after the error becomes widely known

    （B） Failing to establish that BanqueCard charges the same rates of interest for all of its clients

    （C） Overlooking the possibility that the amount by which BanqueCard‘s clients had been overcharged might be greater than the amount by which they had been undercharged

    （D） Assuming that the clients who had been overcharged by BanqueCard had not noticed the error in their credit bills（C）

    （E） Presupposing that each one of BanqueCard‘s clients had either been overcharged or else had been undercharged by the billing error

    7. Not Scored

    8. Residents of an apartment complex are considering two possible plans for collecting recyclable trash.

    Plan 1 - Residents will deposit recyclable trash in municipal dumpsters located in the parking lot. The trash will be collected on the first and the fifteenth days of each month.

    Plan 2 - Residents will be given individual containers for recyclable trash. The containers will be placed at the curb twice a week for trash collection.

    Which of the following points raised at a meeting of the residents， if valid， would most favor one of the recycling plans over the other？

    （A） Residents will be required to exercise care in separating recyclable trash from nonrecyclable trash.

    （B） For trash recycling to be successful， residents must separate recyclable bottles and cans from recyclable paper products.

    （C） Penalties will be levied against residents who fail to sort their trash correctly.

    （D） Individual recycling containers will need to be made of a strong and durable material.（E）

    （E） Recyclable trash that is allowed to accumulate for two weeks will attract rodents.

    9. In 1990 all of the people who applied for a job at Evco also applied for a job at Radeco， and Evco and Radeco each offered jobs to half of these applicants. Therefore， every one of these applicants must have been offered a job in 1990.

    The argument above is based on which of the following assumptions about these job applicants？

    （A） All of the applicants were very well qualified for a job at either Evco or Radeco.

    （B） All of the applicants accepted a job at either Evco or Radeco.

    （C） None of the applicants was offered a job by both Evco and Radeco.

    （D） None of the applicants had applied for jobs at places other than Evco and Radeco.（C）

    （E） None of the applicants had previously worked for either Evco or Radeco.

    10. The geese that gather at the pond of a large corporation create a hazard for executives who use the corporate helicopter， whose landing site is 40 feet away from the pond. To solve the problem， the corporation plans to import a large number of herding dogs to keep the geese away from the helicopter.

    Which of the following， if a realistic possibility， would cast the most serious doubt on the prospects for success of the corporation‘s plan？

    （A） The dogs will form an uncontrollable pack.

    （B） The dogs will require training to learn to herd the geese.

    （C） The dogs will frighten away foxes that prey on old and sick geese.

    （D） It will be necessary to keep the dogs in quarantine for 30 days after importing them.（A）

    （E） Some of the geese will move to the pond of another corporation in order to avoid being herded by the dogs.