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A cost-effective solution to the problem of airport congestion is to provide high-speed ground transportation between major cities lying 200 to 500 miles apart. The successful implementation of this plan would cost far less than expanding existing airports and would also reduce the number of airplanes clogging both airports and airways.
Q. Which of the following, if true, could be proponents of the plan above most appropriately cite as a piece of evidence for the soundness of their plan?
  • a)
    An effective high-speed ground-transportation system would require major repairs to many highways and mass-transit improvements.
  • b)
    One-half of all departing flights in the nation's busiest airport head for a destination in a major city 225 miles away.
  • c)
    The majority of travelers departing from rural airports are flying to destinations in cities over 600 miles away.
  • d)
    Many new airports are being built in areas that are presently served by high-speed ground-transportation systems.
  • e)
    A large proportion of air travelers are vacationers who are taking long-distance flights.
Correct answer is option 'B'. Can you explain this answer?
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A cost-effective solution to the problem of airport congestion is to p...
The plan proposes that high-speed ground transportation would be a less expensive solution to airport congestion than would airport expansion. B indicates that between the cities to be served by the plan there is substantial air travel to which ground transportation would represent an alternative. Therefore, B is the best answer. No other choice could be cited appropriately. A and D both provide some evidence against the plan. A by emphasizing the likely costs of providing high-speed ground transportation is not by itself a solution to airport congestion. D by indicating that such an alternative is not by itself a solution to airport congestion. C and E say that there are many travelers for whom the proposed system would actually provide no alternative.
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A cost-effective solution to the problem of airport congestion is to p...
Explanation:

Key Point:
- One-half of all departing flights in the nation's busiest airport head for a destination in a major city 225 miles away.

Explanation:
- This statement provides strong evidence for the soundness of the plan to implement high-speed ground transportation between major cities lying 200 to 500 miles apart.
- If a significant portion of departing flights from a busy airport are heading to a destination that is within the optimal range for ground transportation (225 miles away), it indicates a potential shift from air to ground travel for this route.
- By diverting these flights to high-speed ground transportation, the plan would effectively reduce congestion at both airports and airways, supporting the cost-effective solution proposed.
- This data highlights the potential for a high-speed ground transportation system to alleviate airport congestion without the need for costly airport expansions, making it a viable alternative for addressing the issue.
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PassageRoughly 40 per cent of the African American population of the Southern United States left the South between 1915 and 1960, primarily for the industrial cities of the North. While there was some African American migration to the North during the nineteenth century, most accounts point to 1915 as the start of what historians call the Great Migration. There were at least three catalysts of the Great Migration. First, World War I increased labour demand in the industrial North. Second, the war in Europe cut off immigration, which led many Northern employers to send labour agents to recruit African American labour in the South. Finally, a boll weevil infestation ruined cotton crops and reduced labour demand in much of the South in the 1910s and 1920s.In short, the Great Migration began in 1915 and not earlier, because it was only then that the North-South income gap became large enough to start such a large-scale migration. Less clear, however, is why migration continued and even accelerated, in subsequent decades, at the same time that North-South income differences were narrowing.We propose that once started, migration develops momentum over time as current migration reduces the difficulty and cost of future migration. Economists have typically assumed that people migrate if their expected earnings in the destination exceed those of the origin enough to outweigh the difficulties and one-time costs of migration. Previous research suggests that the difficulties and costs arise from several sources. First, the uncertainty that potential migrants face concerning housing and labour-market conditions in the destination presents a significant hindrance. Second, there is a simple cost in terms of time and money of physically moving from the origin to the destination. Third, new migrants must familiarize themselves with local labour- and housing-market institutions once they arrive; they must find housing and work, and they must often adapt to a new culture or language.Empirical studies show that during the Great Migration, information was passed through letters that were often read by dozens of people and through conversation when migrants made trips back to their home communities. Thus early migrants provided information about labor- and housing-market conditions to friends and relatives who had not yet made the trip. First-time African American migrants often travelled with earlier migrants returning to the North after a visit to the South, which reduced physical costs. Additionally, previous migrants reduced new migrants cost of adapting to a new locale and culture by providing them with temporary housing, food, and even credit. Previous migrants also provided a cultural cushion for later migrants, so that they did not have to struggle as hard with their new surroundings.Q. Which one of the following most accurately expresses the main point of the passage?

PassageRoughly 40 per cent of the African American population of the Southern United States left the South between 1915 and 1960, primarily for the industrial cities of the North. While there was some African American migration to the North during the nineteenth century, most accounts point to 1915 as the start of what historians call the Great Migration. There were at least three catalysts of the Great Migration. First, World War I increased labour demand in the industrial North. Second, the war in Europe cut off immigration, which led many Northern employers to send labour agents to recruit African American labour in the South. Finally, a boll weevil infestation ruined cotton crops and reduced labour demand in much of the South in the 1910s and 1920s.In short, the Great Migration began in 1915 and not earlier, because it was only then that the North-South income gap became large enough to start such a large-scale migration. Less clear, however, is why migration continued and even accelerated, in subsequent decades, at the same time that North-South income differences were narrowing.We propose that once started, migration develops momentum over time as current migration reduces the difficulty and cost of future migration. Economists have typically assumed that people migrate if their expected earnings in the destination exceed those of the origin enough to outweigh the difficulties and one-time costs of migration. Previous research suggests that the difficulties and costs arise from several sources. First, the uncertainty that potential migrants face concerning housing and labour-market conditions in the destination presents a significant hindrance. Second, there is a simple cost in terms of time and money of physically moving from the origin to the destination. Third, new migrants must familiarize themselves with local labour- and housing-market institutions once they arrive; they must find housing and work, and they must often adapt to a new culture or language.Empirical studies show that during the Great Migration, information was passed through letters that were often read by dozens of people and through conversation when migrants made trips back to their home communities. Thus early migrants provided information about labor- and housing-market conditions to friends and relatives who had not yet made the trip. First-time African American migrants often travelled with earlier migrants returning to the North after a visit to the South, which reduced physical costs. Additionally, previous migrants reduced new migrants cost of adapting to a new locale and culture by providing them with temporary housing, food, and even credit. Previous migrants also provided a cultural cushion for later migrants, so that they did not have to struggle as hard with their new surroundings.Q.The authors of the passage would be most likely to agree with which one of the following statements?

PassageRoughly 40 per cent of the African American population of the Southern United States left the South between 1915 and 1960, primarily for the industrial cities of the North. While there was some African American migration to the North during the nineteenth century, most accounts point to 1915 as the start of what historians call the Great Migration. There were at least three catalysts of the Great Migration. First, World War I increased labour demand in the industrial North. Second, the war in Europe cut off immigration, which led many Northern employers to send labour agents to recruit African American labour in the South. Finally, a boll weevil infestation ruined cotton crops and reduced labour demand in much of the South in the 1910s and 1920s.In short, the Great Migration began in 1915 and not earlier, because it was only then that the North-South income gap became large enough to start such a large-scale migration. Less clear, however, is why migration continued and even accelerated, in subsequent decades, at the same time that North-South income differences were narrowing.We propose that once started, migration develops momentum over time as current migration reduces the difficulty and cost of future migration. Economists have typically assumed that people migrate if their expected earnings in the destination exceed those of the origin enough to outweigh the difficulties and one-time costs of migration. Previous research suggests that the difficulties and costs arise from several sources. First, the uncertainty that potential migrants face concerning housing and labour-market conditions in the destination presents a significant hindrance. Second, there is a simple cost in terms of time and money of physically moving from the origin to the destination. Third, new migrants must familiarize themselves with local labour- and housing-market institutions once they arrive; they must find housing and work, and they must often adapt to a new culture or language.Empirical studies show that during the Great Migration, information was passed through letters that were often read by dozens of people and through conversation when migrants made trips back to their home communities. Thus early migrants provided information about labor- and housing-market conditions to friends and relatives who had not yet made the trip. First-time African American migrants often travelled with earlier migrants returning to the North after a visit to the South, which reduced physical costs. Additionally, previous migrants reduced new migrants cost of adapting to a new locale and culture by providing them with temporary housing, food, and even credit. Previous migrants also provided a cultural cushion for later migrants, so that they did not have to struggle as hard with their new surroundings.Q.According to the passage, the Great Migration did not start earlier than 1915 because

One of the foundations of scientific research is that an experimental result is credible only if it can be replicated—only if performing the experiment a second time leads to the same result. But physicists John Sommerer and Edward Ott have conceived of a physical system in which even the least change in the starting conditions—no matter how small, inadvertent, or undetectable—can alter results radically. The system is represented by a computer model of a mathematical equation describing the motion of a particle placed in a particular type of force field.Sommerer and Ott based their system on an analogy with the phenomena known as riddled basins of attraction. If two bodies of water bound a large landmass and water is spilled somewhere on the land, the water will eventually make its way to one or the other body of water, its destination depending on such factors as where the water is spilled and the geographic features that shape the water’s path and velocity. The basin of attraction for a body of water is the area of land that, whenever water is spilled on it, always directs the spilled water to that body.In some geographical formations it is sometimes impossible to predict, not only the exact destination of the spilled water, but even which body of water it will end up in. This is because the boundary between one basin of attraction and another is riddled with fractal properties; in other words, the boundary is permeated by an extraordinarily high number of physical irregularities such as notches or zigzags. Along such a boundary, the only way to determine where spilled water will flow at any given point is actually to spill it and observe its motion; spilling the water at any immediately adjacent point could give the water an entirely different path, velocity, or destination.In the system posited by the two physicists, this boundary expands to include the whole system: i.e., the entire force field is riddled with fractal properties, and it is impossible to predict even the general destination of the particle given its starting point. Sommerer and Ott make a distinction between this type of uncertainty and that known as “chaos”; under chaos, a particle’s general destination would be predictable but its path and exact destination would not.There are presumably other such systems because the equation the physicists used to construct the computer model was literally the first one they attempted, and the likelihood that they chose the only equation that would lead to an unstable system is small. If other such systems do exist, metaphorical examples of riddled basins of attraction may abound in the failed attempts of scientists to replicate previous experimental results—in which case, scientists would be forced to question one of the basic principles that guide their work.According to the passage, Sommerer and Ott’s model differs from a riddled basin of attraction in which one of the following ways?

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A cost-effective solution to the problem of airport congestion is to provide high-speed ground transportation between major cities lying 200 to 500 miles apart. The successful implementation of this plan would cost far less than expanding existing airports and would also reduce the number of airplanes clogging both airports and airways.Q. Which of the following, if true, could be proponents of the plan above most appropriately cite as a piece of evidence for the soundness of their plan?a)An effective high-speed ground-transportation system would require major repairs to many highways and mass-transit improvements.b)One-half of all departing flights in the nations busiest airport head for a destination in a major city 225 miles away.c)The majority of travelers departing from rural airports are flying to destinations in cities over 600 miles away.d)Many new airports are being built in areas that are presently served by high-speed ground-transportation systems.e)A large proportion of air travelers are vacationers who are taking long-distance flights.Correct answer is option 'B'. Can you explain this answer?
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A cost-effective solution to the problem of airport congestion is to provide high-speed ground transportation between major cities lying 200 to 500 miles apart. The successful implementation of this plan would cost far less than expanding existing airports and would also reduce the number of airplanes clogging both airports and airways.Q. Which of the following, if true, could be proponents of the plan above most appropriately cite as a piece of evidence for the soundness of their plan?a)An effective high-speed ground-transportation system would require major repairs to many highways and mass-transit improvements.b)One-half of all departing flights in the nations busiest airport head for a destination in a major city 225 miles away.c)The majority of travelers departing from rural airports are flying to destinations in cities over 600 miles away.d)Many new airports are being built in areas that are presently served by high-speed ground-transportation systems.e)A large proportion of air travelers are vacationers who are taking long-distance flights.Correct answer is option 'B'. Can you explain this answer? for GMAT 2024 is part of GMAT preparation. The Question and answers have been prepared according to the GMAT exam syllabus. Information about A cost-effective solution to the problem of airport congestion is to provide high-speed ground transportation between major cities lying 200 to 500 miles apart. The successful implementation of this plan would cost far less than expanding existing airports and would also reduce the number of airplanes clogging both airports and airways.Q. Which of the following, if true, could be proponents of the plan above most appropriately cite as a piece of evidence for the soundness of their plan?a)An effective high-speed ground-transportation system would require major repairs to many highways and mass-transit improvements.b)One-half of all departing flights in the nations busiest airport head for a destination in a major city 225 miles away.c)The majority of travelers departing from rural airports are flying to destinations in cities over 600 miles away.d)Many new airports are being built in areas that are presently served by high-speed ground-transportation systems.e)A large proportion of air travelers are vacationers who are taking long-distance flights.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for GMAT 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A cost-effective solution to the problem of airport congestion is to provide high-speed ground transportation between major cities lying 200 to 500 miles apart. The successful implementation of this plan would cost far less than expanding existing airports and would also reduce the number of airplanes clogging both airports and airways.Q. Which of the following, if true, could be proponents of the plan above most appropriately cite as a piece of evidence for the soundness of their plan?a)An effective high-speed ground-transportation system would require major repairs to many highways and mass-transit improvements.b)One-half of all departing flights in the nations busiest airport head for a destination in a major city 225 miles away.c)The majority of travelers departing from rural airports are flying to destinations in cities over 600 miles away.d)Many new airports are being built in areas that are presently served by high-speed ground-transportation systems.e)A large proportion of air travelers are vacationers who are taking long-distance flights.Correct answer is option 'B'. Can you explain this answer?.
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Which of the following, if true, could be proponents of the plan above most appropriately cite as a piece of evidence for the soundness of their plan?a)An effective high-speed ground-transportation system would require major repairs to many highways and mass-transit improvements.b)One-half of all departing flights in the nations busiest airport head for a destination in a major city 225 miles away.c)The majority of travelers departing from rural airports are flying to destinations in cities over 600 miles away.d)Many new airports are being built in areas that are presently served by high-speed ground-transportation systems.e)A large proportion of air travelers are vacationers who are taking long-distance flights.Correct answer is option 'B'. 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Which of the following, if true, could be proponents of the plan above most appropriately cite as a piece of evidence for the soundness of their plan?a)An effective high-speed ground-transportation system would require major repairs to many highways and mass-transit improvements.b)One-half of all departing flights in the nations busiest airport head for a destination in a major city 225 miles away.c)The majority of travelers departing from rural airports are flying to destinations in cities over 600 miles away.d)Many new airports are being built in areas that are presently served by high-speed ground-transportation systems.e)A large proportion of air travelers are vacationers who are taking long-distance flights.Correct answer is option 'B'. Can you explain this answer? tests, examples and also practice GMAT tests.
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