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Critical Reasoning Test 2

Description: Critical Reasoning Tests - Free Online Reasoning Tests for MBA Entrance, MCA Entrance, Bank PO, CDS, SSC, Law and Clerical Exams SBI Clerks Preparations, GK Online Preparation and Practice Tests
Number of Questions: 25
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Directions: Read the passage given below and answer the question that follows it.

Whenever Nitin is going to the office and it is raining, Nitin opens his umbrella. Whenever Nitin is going to the office and it is not raining, Nitin keeps his umbrella shut. Sometimes it is raining when Nitin is not going to the office. If the statements above are true and Nitin's umbrella is shut, which of the following statements must also be true?

  1. Nitin's umbrella is in his hand.

  2. Nitin is not going to the office.

  3. Nitin is not going to the office and it is not raining.

  4. Nitin is not going to the office and/or it is not raining.


Correct Option: D
Explanation:

This must be true, since if Nitin is going to the office and it is raining, he opens an umbrella.

Directions: Read the passage given below and answer the question that follows it.

The marketing student was interested only in the attitudes, which those interviewed had toward spending holidays in Himachal Pradesh. In an effort to obtain valid information, she did not reveal that Himachal Pradesh’s Tourism Bureau was sponsoring her research. She asked participants in the interviews to give opinions on and express preferences among many places for spending holidays, a technique that yielded as much information on Kerala and Goa as on Himachal Pradesh.

A plausible explanation for the student’s strategy is that she believed that the participants ________.

  1. were from a variety of backgrounds and hence had a variety of opinions about spending holidays

  2. had attitudes toward Himachal Pradesh that were more easily predicted than were their opinions on other places for spending holidays

  3. would tend to express favourable opinions, if they thought such responses would please the sponsor of the research

  4. would speak honestly about places for spending holidays only during direct questioning


Correct Option: C
Explanation:

In order to answer the question, you need to explain why she would ask questions about Kerala and Goa, even though she was only interested in Himachal Pradesh. 

The Ludhiana Stock Exchange, LSE, recently automated its trading operations through the use of mainframe computer server. After several major mistakes were detected, an inquiry determined that the mistakes were not attributable to computer breakdowns. Rather, human error was cause for it, as when a sweeper spilled cleaning water on the central server or when there were flaws with the building's fire fighting system. It is evident that such commonplace occurrences should not be considered unlikely to happen over time.

Which one of the following statements follows most logically from the passage?

  1. Since computers have become a regular feature of everyday life, it is reasonable to expect an increase in the total number of yearly breakdowns.

  2. If LSE continues to use computers to conduct its trades, a mistake is not improbable.

  3. The probability of operator error at LSE computer consoles is not likely to be reduced by further improvements in technology.

  4. The LSE computer system was carefully constructed to account for potential failures of certain computer circuits.


Correct Option: B
Explanation:

The point of the argument is that these human-caused problems will probably happen again.

Coal is formed when pieces of carbon are subjected to extreme geological pressures over a lengthy period of time. Coal from one Coalmine in India contains certain plant pollen, which scientists claim provides evidence of human contact between Africa and India much earlier in human history than was previously believed. These pollen, which come from a plant only found in Africa, are encapsulated in Coal that is more than ten thousand years old. The pollen, according to scientists, must have originated from plants, which were brought by travellers from Africa to India over ten thousand years ago.

Which one of the following, if true, would most weaken the scientists' claim that this pollen is evidence of earlier human contact?

  1. Any pollen trapped in a Coal would lower the quality of the Coal.

  2. Coal can take ten thousand years to be completely formed.

  3. Carbon is used to date early events regardless of what may be trapped in it.

  4. Fourteen thousand years ago, there were extremely active atmospheric conditions, which caused many types of pollen to be carried in the air far from their native locations.


Correct Option: D
Explanation:

This most directly attacks the assumption that there is no other way that the pollen could have gotten to India other than through people of Africa.

Industry presentations always provide useful information, but only those presentations that hold the interest of students are worth showing in colleges. Some presentations are boring.

Which one of the following conclusions can be properly drawn from the passage?

  1. Some presentations, which provide useful information, are not worth showing in colleges.

  2. All presentations that are boring provide useful information.

  3. Some presentations that are worth showing in colleges are boring.

  4. Some presentations that hold the interest of students are not worth showing in colleges.


Correct Option: A
Explanation:

Some presentations, all of which provide useful information, are boring which means that they are not worth showing at colleges.

Last winter, in a national park in Himachel Pradesh, one-fourth of the three-stripped squirrel population was unable to find appropriate burrows for hibernation. This is somewhat curious given the fact that during the same period, the summer animals that had inhabited the burrows during the autumn months had migrated. Many of the burrows were large enough to accommodate the squirrels and were well insulated against the harsh winter weather.

Which of the following statement, if true would best explain why the three-stripped squirrels were unable to find appropriate places to hibernate when there were ample burrows available?

  1. Most of the burrows which were left vacant were in the higher parts of the forest region and were therefore inaccessible to the squirrels who inhabit the lower region.

  2. During the winter, a few three stripped squirrels continue to live in burrows, which they inhabited during the autumn months.

  3. Many of the burrows are not conducive to the rearing of small babies.

  4. A very few of the three stripped squirrels migrate to a nearby plain during the winter, therefore do not need to find burrows within the forest.


Correct Option: A
Explanation:

This explains why the squirrels were unable to find the vacant burrows.

The age of an archeological site can be determined by an investigation of the changes in architectural style stratified throughout the dig. Each level reveals the influence of different leaders. Archeologists have successfully used architectural strata to determine that the Abbyssian Empire occupied the ancient city of Singbum. Structures were found to include ceremonial columns, which were unique to the Abbyssian Empire during the Abbyssian reconstruction.

Which of the following is an assumption on which the archaeologists' conclusion depends?

  1. The Abbyssian occupation of Singbum was brought to an end by Jenti Khan's assault and subsequent conquering of the city.

  2. The city council of Singbum did not invite architects from the neighboring Abbyssian Empire to erect certain structures in return for high wages.

  3. Each ceremonial column has the motto of the Abbyssian Empire inscribed on the base, flanked by the emperor's royal seal.

  4. The archeologists established that the most recent Abbyssian building discovered at the excavation site was built during the reign of Actius.


Correct Option: B
Explanation:

The correct answer to an assumption question is necessary for the argument to be true. This answer choice must be true for the archeologists' conclusion to be true, because it excludes another possible explanation for the ceremonial columns.

A new study of school student has found that the average weight of those students, who take up cooking classes as their hobby class, exceeds the average weight of all other students by roughly 3 Kgs. It can be concluded that those who have attended cooking classes tend to eat more excessively than the average students.

Which of the following would be most important to know to evaluate the validity of the conclusion stated above?

  1. Given that boys tend to weigh more than girls, what are the ratios of boys to girls for both the cooking class and school students?

  2. How many cooking students also possess college degrees?

  3. Have the average weight of recent cooking class students and the average weight of recent school students been increasing?

  4. Given that boys tend to weigh more than girls on average, what proportion of boys attend cooking classes?


Correct Option: A
Explanation:

If the cooking institutes have proportionately more boys than girls, then this would provide an alternative reason for cooking students to weigh more than average.

Johnny: Because she was a wonderful actress, Meera is qualified to receive a Padma Bhusan. Manu: But Meera is a terrible role model because she was an alcoholic for the last twenty years of her life. She should not be given a Padma Bhusan.

Manu's conclusion depends upon which of the following assumptions?

  1. Wonderful actresses do not abuse alcohol.

  2. Meera wanted to be given a Padma Bhusan.

  3. Meera's abuse of alcohol has had a negative impact on her performances.

  4. Being a positive role model should be a criterion used in deciding who should be given a Padma Bhusan.


Correct Option: D
Explanation:

Find the assumption. This argument assumes that being a good role model should be a requirement to receive a Padma Bhusan.

For two years, while remodeling the Museum, the New Delhi Heritage commission has been transferring a large number of artifacts from the city of New Delhi to both the Mughal and Indian Museums in the city of Agra. It follows that when New Delhi's Museum reopens next year, either Mughal or Indian Museums will have to be closed and their artifacts consolidated.

The author of the statements above assumes that

  1. The removal of the New Delhi artifacts from the Mughal and Indian Museums will leave one or both of these Museums considerably underpopulated.

  2. New Delhi's remodeled Museum will not be large enough for the prospective artifact population.

  3. Incorporation of extra artifacts from New Delhi has placed a tremendous burden on the resources of both the Mughal and Indian Museums.

  4. Artifacts will not be sent between the Mughal and Indian Museums in the next year.


Correct Option: A
Explanation:

This argument assumes there won't be enough artifacts to populate all three Museums. This answer choice restates this assumption, so it is the correct answer.

Because of rules imposed by the Police, restricting the sale of morphine, many people who have trouble with chronic pain turn to illegal drugs. Yet each year illegal drug-alcohol interactions cause deaths of over ten thousand people who probably would have lived had they used morphine instead of illegal drugs, even without changing their alcohol consumption.

Which of the following statements about morphine do the statements above best support?

  1. Morphine poses no serious health risks.

  2. In some cases, the morphine-alcohol interaction would be less dangerous than the illegal drug-alcohol interaction.

  3. Morphine is a more effective painkiller than illegal drugs.

  4. Is some cases the morphine-illegal drugs interaction would be less dangerous than the illegal drug-alcohol interaction.


Correct Option: B
Explanation:

This choice is much better than D because what is at issue here is that the illegal drugs/alcohol combination is life threatening.

Between 1990 and 1998, the municipal council contributed one-third more in food and clothing for the beggars than did NGO groups from their own collections. In 2000, for the first time, NGO groups contributed more in food and clothing for the beggars than did the municipal council. Members of the NGO groups assert that this data shows a heightened commitment on the part of the NGO groups to assist the beggars.

Which of the following, if true, would cast most doubt on the assertion made by the members of the NGO groups?

  1. In 2000, the city council contributed half as much in food and clothing to the beggars as it did in 1998.

  2. Between 1990 and 1998, NGO groups were also committed to environmental issues.

  3. In 2000, the municipal council changed contributions from cooked foods to food rations.

  4. Since 1995, NGO groups have made great strides in helping the beggars, such as establishing work-start programs.


Correct Option: A
Explanation:

This choice suggest that the council is doing less, which weakens the conclusion that the NGOs are doing more.

Art Managers have often been criticized for taking too much control of their artist's lives. However, when people are controlled, they lose the ability to make decision about their careers, and it is the stated aim of Art Managers to enable their clients to make the choices that are best for their futures. Therefore, the claim that Art Managers take too much control over their clients is groundless.

Which one of the following presents a shortcoming of the above argument?

  1. The viewpoint being contradicted is restated in an attempt to make easier to refute.

  2. In an indefensible oversimplification, Art Managers are criticized for possessing a single goal, instead of being motivated by several competing aims.

  3. There is no consideration of the possibility that the actual behavior of Art Managers might contradict their self-proclaimed aims.

  4. The aims of Art Managers are assumed to justify any method that might be used to achieve those aims.


Correct Option: C
Explanation:

The author does not recognize the possibility that, what the Art Managers say and what they do are not the same.

In 2001 local tax rates in some regions of the United States fell to their lowest level in fifteen years, while the rates in other regions reached new highs. In 1985 similar conditions led to a large flight of companies, from regions with unfavorable local tax policies to regions with favorable policies. There was, however, considerably less corporate flight in 2001.

Which of the following, if true about 2001, most-plausibly accounts for the finding that there was less corporate flight in 2001?

  1. The regions with the most favorable local tax policies had many of the same types of corporations as did those with unfavorable tax policies, but this was not true in 1985.

  2. In contrast to 1985, office rental costs in the regions with the most favorable local tax policies were significantly higher than rental costs in other areas of the country.

  3. In contrast to 1985, in 2001 the areas with the most favorable local tax policies reaped the most benefit from tax incentives, although the tax codes were particularly difficult to decipher.

  4. Tax incentives offered by foreign countries were higher in 2001 than in 1985.


Correct Option: B
Explanation:

This answer indicates that, overall, it may not have been financially advantageous in 2001 for a company to move to a region with a lower local tax rate.

The CEO of one of India's best companies is amused by the publicity his methods have received. He believes that CEO's receive too much credit for corporate profits and claims that, “people assume too easily that CEOs are geniuses when a company is profitable and morons when a company is not.”

According to the CEO's statement, it can be inferred that he believes which one of the following to be true?

  1. A profit making CEO should attempt to manipulate the press.

  2. No CEO can justifiably be called a genius

  3. The success of a company cannot be completely determined by its CEO.

  4. CEOs are less important during an unprofitable streak than they are when company is making profit.


Correct Option: C
Explanation:

This is an inference question, which means the answer must be derived directly from the information given above. This answer directly stems from the conclusion that “CEOs receive too much credit for making the company profitable.”

The Olive Ridley Turtles population decreased at an unprecedented rate during the 1970s and 1980s and reached its all-time low in the early 1990s. Environmental Scientists determined that the decrease in population was due to the national policy that permitted fishing in coastal areas with drift nets.

Which of the following, if true, would most strengthen the assertion made by the scientists?

  1. The fishing in coastal areas with drift nets policy did not extend to the Southern coast.

  2. In the time since the fishing in coastal areas with drift nets policy was revoked in 1993, the population of Olive Ridley Turtles has grown at a steady rate.

  3. Olive Ridley Turtles like other reptiles, breed where very little food is available.

  4. The various smaller fish - sea dwellers that constitute the Olive Ridley Turtle's diet - felt no adverse effects from the fishing in coastal areas with drift nets policy.


Correct Option: B
Explanation:

This tells us that when the fishing policy was revoked, the Olive Ridley Turtles population began to increase. This supports the scientists' assertion that the fishing policy was causing the decrease in population.

A motion picture by Satyajit Ray, the director who died in 1992, was edited down from 250 hours of footage abandoned by Ray into a 109-minute final form. The film, composed solely of shots directed by Ray, edited according to Ray' shooting script and preliminary director's notes, is therefore a legitimate Satyajit Ray motion picture.

Which of the following, if true, is most damaging to the contention that the new film is a legitimate Satyajit Ray motion picture?

  1. Part of the found footage excluded by the editors in the new film had previously been seen in a documentary completed by Ray before his death.

  2. Film scholars have maintained that the footage was shot during a period in which Ray created some of his least successful works.

  3. A motion picture can legitimately be attributed to a director if the director decides what should be selected for inclusion in it and what weight should be given to material selected for inclusion.

  4. A legitimate motion picture contains visual motifs, subject matter and editorial patterns that are similar to those present in a director's outstanding motion pictures.


Correct Option: C
Explanation:

If legitimate attribution of a film depends on the director's decisions about inclusion and weight; the film referred to in question can't possibly be a bona fide Ray film.

Business computer systems are designed to make workers more productive, by automating a portion of the work that must be completed in a business process. As a result, the employee is free to perform more tasks that require human attention. Although productivity may be lost during a learning period, many businesses experience dramatic gains in productivity after installing a new computer system. While discussing the connection between productivity gains and computer systems, a well-respected business journal recently stated that, the person who serves as the Chief Information Officer is the consummate business computer system.

By comparing a Chief Information Officer to business computer systems, the journal implicitly argues that

  1. Chief Information Officers should always communicate the value of computer systems to their Companies.

  2. The productivity of a company can be increased through the hiring of a Chief Information Officer.

  3. Many companies have not improved their productivity with new computer systems.

  4. Chief Information Officers are more effective than are new computer systems.


Correct Option: B
Explanation:

The argument states that the Chief Information Officer is like a business computer system and that a business computer system can lead to increased productivity. This supports the inference that a Chief Information Officer can lead to increased productivity.

Directions: Analyse the statements given and choose an appropriate answer for the question that follows:

The press emphasises dramatic events such as food product poisoning over less sensational events such as the recall of a popular food product, which is a far more common occurrence and poses a much larger risk to the general public. However, the public is inclined to think that the level of attention given to an event represents the true level of risk that the event poses.

Which of the following claims is most strongly supported by the information in the passage above?

  1. Other media, such as television and radio, are a superior source of information to the press industry.

  2. The emphasis shown by the press industry to spectacular events is an expected reaction to the taste of the public.

  3. Occurrences that people feel are beyond their control are usually considered to be more dangerous than those considered to be avoidable.

  4. If the press is the main source of information about events, the public’s awareness of risk does not represent the actual risk the event poses.


Correct Option: D
Explanation:

This is because the press emphasises what is not the most common occurrence.

Directions: Analyse the statements given and choose an appropriate answer for the question that follows:

In the year 1990, zoning laws were passed in Old Delhi in order to preserve the seventeenth-century style architecture. In the year following the passage of the zoning laws, tourism increased by 20 percent, the sharpest 12-month increase in Old Delhi history. Over the course of the following decade, tourism increased by another 30 percent. Therefore, the zoning laws that were passed in 1990 boosted the city’s economy.

Which of the following, if true, provides the most support for the argument above?

  1. In the year 2000, petrol shortage resulted in a decrease in car usage.

  2. There was no increase in tourism during the ten year following the passage of the zoning laws.

  3. Since 1990, Old Delhi has required all businesses to give a percentage of profits to the towns Chamber of Commerce.

  4. The tourism rate in Agra city, which has no such zoning laws, is much lower than that of Old Delhi.


Correct Option: D
Explanation:

To strengthen an argument bolster the assumption. This argument assumes that the zoning laws were the only causes for the increase in tourism. This choice does that by showing how there is an absence of tourism where there is an absence of those laws.

Elion is a liquid, usually highly toxic, that is created only when petroleum is pumped rapidly by offshore petroleum rigs. If and only if the maximum pumping rate of a rig's machinery is exceeded will Elion be released into the surrounding water, usually in unpredictable amounts. A technique must be developed to safely dispose off Elion. Most of the Elion produced at offshore petroleum rigs is shipped to the mainland for disposal in underground caves, but not all caves can safely contain the highly toxic liquid.

Which one of the following can be inferred from the passage?

  1. If petroleum producers were able to predict the amount of Elion released, they would be better able to facilitate safe disposal.

  2. If Elion is not released into the surrounding water, the petroleum well's maximum suggested pumping rate has not been exceeded.

  3. No underground cave can safely contain Elion.

  4. Some Elion is sent to underground caves that cannot safely contain it.


Correct Option: B
Explanation:

You know this is true because if and only if the petroleum well's maximum pumping rate is exceeded, Elion is released into the water. There's no other way for it to be released, so if it isn't, the maximum pumping rate must not have been exceeded.

A certain bacteria in the intestines of hens and other fowls form a non-resistant strain that renders the animals immune to respiratory tract infection. Humans currently must be supplied with vaccines in order to be rendered immune to respiratory tract infection. So if genetic engineering technology can succeed in introducing bacteria that can survive in the human intestine, the need for vaccines will be reduced.

Which one of the following is a presupposition of the above argument?

  1. The bacteria would produce the non-resistant strain in human intestines.

  2. This is currently the only bacteria strain that must be countered by a vaccine.

  3. There have been no attempts to create vaccines from the bacteria present in the intestines of some birds.

  4. Hens are currently the only birds that can produce its own protection against influenza.


Correct Option: A
Explanation:

For the bacteria to help people in the same way that it helps hens, the bacteria must work in the same manner in humans as it does in hens.

Some scientists have speculated as to whether usual artistic talent is inborn. If artistic talent were inborn there would now be a pool of young children with such abilities. Artistic scholars feel it would be a pity not to begin intensive artistic training with those children at a very young age, so that they can reach their fullest potential. Currently, there are no tests, which can effectively gauge the artistic abilities of young children, until those children have studied music, or several years. Therefore, __.

Which one of the following is the most logical completion of the argument?

  1. It is possible that some artistically gifted children will not start training at an age, which would help to maximize their capabilities.

  2. Talent would ensure that these children are trained to their fullest potential.

  3. It is probable that most of these children will never reach their fullest potential.

  4. It would be best to give all children early and intensive artistic training.


Correct Option: A
Explanation:

All of the premises of the argument support this statement.

Aman: I have tried many different sorts of dieting programs at various times in the past, which include three kinds of “meal plan” dieting (vegetarian, eggs and diary products) and also diet pills. Because the periods when I was dieting were also the periods in my life when my weight fluctuated the most, I have decided that special diets cannot work for me.

Which of the following, if true, casts the most serious doubt on Aman’s conclusion?

  1. Diet pills are designed to manage different weight problems from those managed by “meal plan” diets.

  2. People who use diets that, in the long run work, often experience weight fluctuations while they are dieting.

  3. People who experiment with various sorts of dieting usually have less fluctuation in their weight than those who try only one sort of dieting.

  4. People who experiment with various sorts of dieting are more likely to find a diet that suits their needs, than are people who experiment with only one sort of dieting.


Correct Option: B
Explanation:

The question asks you to weaken the argument. To do that, first you must find the conclusion, do the Why Test and then get the assumption. This argument assumes that weight fluctuations are evidence that the diet is not working. This choice shows that this is not the case.

Directions: Analyse the statements given and choose an appropriate answer for the question that follows:

Before the invention of cinema, dance and drama were only appreciated by those who could afford to attend expensive performances. Cinema recordings of dance and drama were significantly less expensive than were tickets to performances. Public demand for cinema recordings of dance and drama, when they first became available, was overwhelmingly greater than demand had been for tickets to performances. This response indicates that there was a dramatic increase in the number of people who watched dance and drama, after dance and drama were first recorded for the cinema.

Which of the following, if true, most weakens the argument?

  1. During the first years, after the invention of the cinema, sales of glasses that was not prescription glasses increased dramatically.

  2. At about the same time that cinema recordings became available, mass production techniques were developed to produce photographic equipment more inexpensively.

  3. When cinema recordings of dance and drama first became available, they were purchased primarily by people who had always purchased tickets to performances but could purchase a greater number of cinema recordings for the same financial outlay.

  4. When cinema recordings of dance and drama first became available, individual dances or drama were often circulated widely among friends and family members.


Correct Option: C
Explanation:

The number of recordings purchased is a good indicator of how many people saw dance and drama. This answer shows that there isn’t a necessary connection between the two, by saying that it was the same small group of people who then bought most of the recordings. This answer indicates that each of these people bought several recordings, countering the assumption that more people were actually buying the recordings.

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