GMAT-SECTION-3 Sample Questions & Answers

According to the passage provided two questions prior, the 'garbage in, garbage out' principle represents a challenge to blockchain implementation because

The city of Glenwood has experienced a 30% increase in traffic congestion over the last five years. To combat this, the city council proposes to fund the construction of a new light rail system. The proposal assumes that a significant number of commuters will switch from driving their cars to using the light rail, thus reducing the number of cars on the road.

Which of the following would be most useful to evaluate the likelihood that the city council's proposal will achieve its goal?

To improve employee productivity, a company introduced a 'focus time' policy, prohibiting all internal meetings on Wednesdays. The CEO claims the policy is a success, citing a 10% increase in the number of project tasks completed per week since the policy was enacted.

Which of the following, if true, provides the strongest support for the CEO's claim?

Read the passage and answer the questions that follow.

In the annals of economic history, few events are as illustrative of the psychology of speculative bubbles as the Dutch Tulip Mania of the 1630s. During this period, the prices for bulbs of recently introduced and fashionable tulips reached extraordinarily high levels, only to collapse dramatically in a short time. At the peak of the market, a single bulb of a rare variety could allegedly be traded for the price of a grand Amsterdam house. While historical accounts have often been sensationalized, the core event offers a timeless lesson in market dynamics.

The mania was not rooted in the intrinsic value of the tulips themselves but in the widespread belief that their prices would continue to rise indefinitely. This belief created a self-fulfilling prophecy, as speculators entered the market not to cultivate the flowers, but to profit from the escalating prices. A key feature of this period was the development of a formal futures market, where contracts to buy bulbs at the end of the season were traded. This allowed for speculation on a grander scale, detached from the physical bulbs, and attracted a broader class of merchants and tradesmen into the frenzy.

Modern economic analysis of Tulip Mania, however, has tempered some of the more lurid tales. Scholars like Peter Garber argue that the dramatic price movements were not entirely irrational. They point out that the most extreme prices were for exceptionally rare bulbs, which, like rare works of art, could command high prices from a few wealthy collectors. Furthermore, Garber suggests that the 'collapse' was less a cataclysmic pop and more an orderly unwinding of the futures market after it became clear that the supply of new, desirable tulip varieties would eventually increase, thereby reducing their scarcity and, consequently, their price. This revisionist view posits that the Tulip Mania, rather than being a case of mass insanity, was a rational market response to the introduction of a new and desirable commodity under conditions of great uncertainty about future supply and demand.

Nevertheless, the classic interpretation of Tulip Mania as a cautionary tale persists because it so perfectly captures the elements of a speculative bubble: a rapid escalation of asset prices based on an untenable belief in future price gains, followed by a swift collapse. Whether driven by irrational exuberance or rational calculation under uncertainty, the event underscores the inherent instability of markets dominated by speculative motives over fundamental value.

The author's primary purpose in the passage is to

According to the passage provided in the previous question, the 'revisionist view' of the Tulip Mania suggests that the high prices of some tulip bulbs were

The passage provided two questions prior suggests that a key difference between the traditional and revisionist views of the Tulip Mania lies in their assessment of the

Which of the following situations is most analogous to the dynamic described in the traditional interpretation of the Dutch Tulip Mania?
(Passage provided three questions prior)

The manager of a gym that is open 24 hours a day observed that the gym's electricity costs are highest between 1 AM and 4 AM, a period during which typically fewer than five members are present. To reduce costs, the manager plans to close the gym from 1 AM to 4 AM. The manager assumes this will lead to significant net savings.

The manager's plan is based on which of the following assumptions?

Read the passage and answer the questions that follow.

Recent scientific inquiry has increasingly focused on the gut microbiome—the vast community of bacteria, fungi, and viruses residing in the human digestive tract—as a critical regulator of not just physical health, but also cognitive function and mood. The concept of a 'gut-brain axis' posits a bidirectional communication network between the central nervous system and the enteric nervous system, the latter of which governs the function of the gastrointestinal tract. This communication is not merely neural; it is also hormonal and immunological, with gut microbes playing a pivotal intermediary role.

Studies have shown that these microbes produce a wide array of neuroactive compounds, including neurotransmitters like serotonin and dopamine, which are fundamental to mood regulation. In fact, a significant portion of the body's serotonin is produced in the gut. Furthermore, the microbiome influences the immune system, and chronic inflammation, which can be modulated by gut bacteria, is increasingly linked to neurological disorders such as depression and anxiety. Experiments in animal models have provided compelling evidence: transplanting the gut microbiota from depressed human patients into healthy rats induced behaviors analogous to depression and anxiety in the recipient animals. Conversely, treatment with specific beneficial bacteria, known as probiotics, has been shown to alleviate such symptoms in some studies.

Despite these promising findings, the translation of this research into effective human therapies is complex. The human microbiome is incredibly diverse and personalized, shaped by genetics, diet, and environment, making one-size-fits-all interventions unlikely to succeed. The precise mechanisms by which specific bacterial strains influence brain function are still being unraveled, and the causal relationship in humans remains difficult to establish definitively. While the correlation between an imbalanced gut microbiome (dysbiosis) and mental health issues is strong, it is challenging to determine whether dysbiosis is a cause or a consequence of these conditions. For instance, the stress associated with depression can itself alter the composition of the gut microbiome, creating a confounding feedback loop. Therefore, while modulating the gut microbiome represents a novel therapeutic avenue, its clinical application requires a more nuanced, personalized approach.

The author of the passage is primarily concerned with

The passage (provided in the previous question) mentions the production of serotonin in the gut primarily to