Some rats are able to subsist on the barries of the poison sumac, a poisonous plant, by peeling away the poisonous skin of the fruit before they consume it. This method ensures that some rats will always be able to subsist on poison sumac because the plant could never evolve so as to acquire the ability to produce a poison that would prove lethal in the minute quantity left after the fruit is peeled.

The conclusion drawn depends on which of the following assumptions?

The average net salaries for all those belonging to salaried class increased by about 8.7% from 1997 to 2000. During this period, average net salaries for daily wagers and blue-collar employees declined.

Which of the following can most logically be concluded from the above information?

Over the past year, medicinal soaps have been advertised as the most effective means of preventing skin infection. However, according to doctors' records, many patients experiencing severe skin infection used medicinal soaps. Clearly, medicinal soaps are not an effective means of preventing skin infection.

Which of the following statements, if true, would most seriously weaken the conclusion given above?

A genetically modified version of cotton plant has been experimented at several farms this year in Bathinda region to ward off pest attacks on the crop. The scientists who have made the version of cotton claimed that the recent decrease in pest attacks in those farms shows that the genetically modified crops help counter pest attacks on crops.

Which of the following, if true, would cast the greatest doubt on the scientists' claim?

Directions: Choose the correct course of action.

A recent study by doctors at AIIMS has shown that people who are predisposed to be diabetic at some point of their life are 22% less likely to have diabetes if they eat papaya everyday.

Which of the following can be inferred from the information above?

Rather than depending upon membership fees, as it does now, the club should depend more heavily on spectator tickets to finance the upkeep of their sports facilities, so that the sports facilities can be maintained without reducing the number of events scheduled. Spectators should pay all of the maintenance costs, even if such costs were to increase. These changes would be fair since only spectators benefit from the sports facilities.

Which of the following is an assumption made in the argument above?

Environmental pollution as caused by garbage or produced by homes and industries has been shown to cause clogging and pollution of different water sources. The Union Ministry for Water Resources has recommended that people limit their daily garbage output to two-thirds the normal output. Many water researchers, however, feel that even these limits do not adequately protect the public from the ill-effects of water pollution.

Which of the following, if true, would support the water researchers' view as described above?

Directions: Read the following information and answer the question that follows.

According to a study conducted at Birla Planetarium at Kolkata, an asteroid was discovered at the other end of Milky Way Galaxy, which defined different electromagnetic spectrum denoting different compositions at different observations and has never been observed to exhibit the same spectrum twice.

Which of the following is suggested by the above passage?

The idea that the major portion of Earth would be submerged followed by a prolonged ice age as a result of global warming is implausible. Weather forecasters cannot dependably predict the next day’s weather. Yet the effects of the global warming on our planet’s structure and climate would follow the same physical laws that govern normal changes in the weather being predicted. If scientists cannot predict the day-to-day weather using our current knowledge, they certainly cannot predict the effects of global warming on Earth’s climate.

Which of the following statements would most seriously weaken the author’s conclusion?

Directions: Choose the correct course of action.

During the past two years, five percent of the managers with sufficient experience to be considered for the post of CEOs were women, and all of those deemed to have sufficient experience during those years received the post of CEO. Despite this fact, women currently hold only two percent of posts of CEOs in top industries.

Which of the following, if true, could explain the discrepancy in the percentages called in the passage above?

Directions: Read the following information and answer the question that follows.

Some have suggested a correlation between not wearing polished shoes and being lethargic – that those who don’t polish their shoes are generally lethargic than those who do. This, however, is not the case. I work at the employment exchange and the majority of the applicants have polished shoes.

Which of the following assumptions is made by the author of the argument?

Research Head: As Head of the R&D department, I believe that the department has achieved a higher level of research in the projects provided to it because of the number of senior researchers who have brought their experience and lot of funding for the projects. Therefore, if in the future, any junior researcher is given a project by the company pertaining to a very important project, such as designs produced upon plasma tracer screens, the company shall provide a lower amount of funds.

Which of the following is an assumption that the R&D Head makes that would serve to justify the conclusion above?

Directions: Read the following information and answer the question that follows.

The violence and vulgarity presented in cinema gives our youth an anarchic view of the society. The incorrect picture of heroism fosters the attitude that it is acceptable to behave in any way that strikes one’s fancy, regardless of the consequences and consideration for family and others. The total lack of social responsibility conveyed by this so-called modern life presented in cinema will lead to the downfall of the current generation of Indian youth.

Which of the following sentences can be derived from the above given passage?

A recent survey of those entering the IIMs casts doubt on the generally accepted theory that most of the students accepted into IIMs were from engineering background instead it postulated that the people coming with 2 or more years of experience in industry constituted the majority of them. But a close scrutiny of the findings, demonstrated, with the trends indicating that about 75% of the new entrants among experienced professionals had come from engineering background.

Which of the following is a logical conclusion of the passage above?

Senior doctors and radiologists have recently suggested that candidates for brain surgery actually achieve similar benefit by adopting a routine of yoga and radiotherapy if maintained for a three-year period. Although brain surgery is now considered a relatively routine procedure, it still puts the patient at risk of death during or immediately following the operation. Therefore, performing brain surgery should be immediately stopped.

Which of the following, if true, casts the most serious doubt on the conclusion drawn above?

Directions: Read the following information and answer the question that follows.

Dichlorophenoxyacetic acid, a pesticide being used in Andhra Pradesh since last ten years to destroy weeds without harming the rice crop, should be banned immediately lest they cause more harm to humans. Tests at Andhra Agricultural University have shown that the end product of acid used in to destroy weeds have been found in large quantities in the rice crop sold by hundred of thousands of Andhra farmers who used the pesticide over the past years.

Which of the following most conclusively strengthens the argument above?

She can create any mood, fit into every role so naturally as it being part of her actual life. Recent success of Preity Zinta’s movies and appreciation of her acting in them has helped her attain the status of being one of the most successful of current actresses and endeared her to general public.

Which of the following conclusions can most reliably be drawn from the statements above?

On the issue of thirty crore rupees to install quality control machines at grain markets of Punjab, the Chief Minister said: “Because wheat been tested in only one district the results can not be generalized to be applicable to whole state, therefore there is no reason to worry about its results.”

The Chief Minister’s statement indicates most strongly that he is

Industry can improve in this way without competent leadership and clearly defined administrative goals. Adinath’s new CEO, Amit Aggarwal, has provided the management skills that made this recovery possible.

Which of the following, if true, would LEAST strengthen the above argument?

Directions: Read the following information and answer the question that follows.

The Chief Minister of Tikamgarh, responding to reports that many of his party men were calling for his removal, told reporters: “The faction behind this removal movement accuse me with alienating the public from the government. By raising taxes, they claim I have angered the public for leading anti-public policies. What they don’t realise, however, is that my purpose, as stated earlier, is to raise money to fund various statewide welfare programmes. They prefer to bully me out of the job for wanting to help improve lives of the people and ease our state’s economic woes.”

Which of the following best indicates the principal flaw in the Chief Minister’s argument?

Coach Abdul Karim noticed that the Rajasthan Cricket Team had lost more Ranji matches this year as compared to their performance the previous year. On enquiry he found that after last year the practice timings for the players had been increased from ten hours daily to fifteen hours a day. Coach Karim, who believed that players were very tired out by the time they left after the practice for home, concluded that his team would win more matches if their practice time were reduced back to ten hours every day.

Coach Karim bases his argument on which of the following assumptions?

Directions: Read the following information and answer the question that follows.

An NGO recently surveyed ten thousand women who had given birth in the last year to their first child in the city. Half of these women had chosen to have their children in a hospital or private clinic; the other half had chosen to give birth at home. Of the five thousand births that occurred in the home, only twenty-five had presented any serious complications, whereas one hundred of the hospital births had required extra attention because of complications during delivery. The NGO concluded that the hospitals are risky places in which to give birth than are homes.

Which of the following, if true, would most seriously weaken the social worker’s conclusion?

Among the workers who are employed by industry like coal mining, steel and textiles the injuries to the back or the lungs are among the most common health risks, because of the activities involved and environmental conditions of their work places. Among the work force employed in the service sector, job related injuries are more likely to involve damage to eyes, which are fixed for hours on computers, or to fingers and wrists, which are forever twisting above, dragging across or pressing on keyboards and control panels.

The information above best supports which of the following conclusions?

In companies with only record clerk, the average clerk spends more than 500 hours a year just in order to maintain the index of location of records at the office. Currently available high-speed specialized computers if installed shall reduce time required to find the records by about 75 percent. Therefore, purchasing the new computer will save money for any such company whose record clerk spends time on finding records.

Which of the following is an assumption necessary to the author's argument?

If all schools were brought under the government control, we would have to rely on government to run them, make rules for them and provide funds to maintain them. It is true that there shall be uniformity in education system throughout the country, for the poor as well as rich. But at what cost? If the schools are not run properly, soon the whole education system of the country shall be ruined. Due consideration should be given to this aspect before any attempt to undertake them is done.

Which of the following, if true, would most weaken the argument above?