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Hey, I just joined the GMAT Club website and I’m still figuring things out. Could you help me understand how to use it effectively?

I only want to focus on improving my logical reasoning and language skills
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Quote:

*WA@wfn6535 writes:*
Hi, the forum quiz seems to be not working. Is anyone facing the same issue?

Working for me
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WA@xrs2470

Anyone answer please
The question is discussed here: the-sales-of-a-product-increase-as-the-number-of-people-who-have-used-333067.html
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Problem Solving Butler: April 2025
April 20PS 1PS 2

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PS 1

A function f(n) is defined as 1/n when n is an integer and as 6n when n is a fraction. What is the value of f(f(f(3-2))) ?

A. 1/4
B. 2/3
C. 3/2
D. 4
E. 9

_____________________
PS 2

40 men take 60 hours to refine 200 units of stone. How long will it take 60 men to refine 800 units of stone if the new team is 20% less efficient?

A. 20 hours
B. 25 hours
C. 200 hours
D. 240 hours
E. 250 hours
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Critical Reasoning Butler: April 2025
April 20CR 1CR 2

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CR 1

The most serious objection I have regarding the advertisements shown on TV is that they often denounce the products or services by their competitors to proclaim their own superiority. This is unfair. If every company follows this practice, it will be very difficult for consumers to decide which products and services are better than others. The best step towards correcting this could be ______.

Which of the following best completes the passage?

A. a restriction that only the closest competitor can be included in the TV advertisements
B. a limit on the duration for which the competitors can be mentioned in the TV advertisements
C. a law that forbids the mention of any competitor in the TV advertisements
D. an increase in information related to features, quality, and cost of products/services in TV advertisements
E. a limit on the number of times advertisements are shown on TV

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CR 2

Over time, the continuous use of painkillers has two pernicious effects. First, it often reduces the liver’s efficiency in processing toxins in the bloodstream. Second, it often inadvertently causes the body to build up a resistance to active ingredients of the painkiller, because the brain recognizes the constant intake of ingredients particular to a painkiller and responds by producing chemicals to neutralize their effect, thus reducing the effectiveness of the painkiller.

From the passage above, it can be properly inferred that the pernicious effects of the continuous use of painkillers can be at least partially curbed by doing which of the following, assuming that each is a realistic possibility?

A. Only utilizing those painkillers that are chemically stable.
B. Maintaining a healthy lifestyle to improve liver function.
C. Slowly increasing the quantity of painkillers utilized, over time.
D. Not using more than one type of painkiller at a time.
E. Periodically switching the type of painkillers used.
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Data Sufficiency Butler: April 2025
April 20DS 1DS 2

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DS 1

At a community arts festival, each of the 72 volunteers was assigned to exactly one of two stations, North or South, and to exactly one of two shifts, morning or afternoon. If a volunteer is selected at random, is the probability that the selected volunteer worked at the South station during the morning shift greater than 1/3?

(1) A total of 54 volunteers were assigned to the North station.
(2) A total of 20 volunteers were assigned to the morning shift.
_______________________
DS 2

At a shipping center, every package in a certain batch is either domestic or international, and each package is either insured or uninsured. If one package is selected at random from the batch, what is the probability that the package selected is a domestic insured package?

(1) Three-eighths of the packages in the batch are domestic.

(2) Two-fifths of the packages in the batch are insured.
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Problem Solving Butler: April 2025
April 21PS 1PS 2

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PS 1

If x^2 < x, what is the range of possible values of x ?

A. -1 < x < 1
B. -1 < x < 0
C. 0 < x < 1
D. x > 0
E. x < 0

_____________________
PS 2

If x = 4p + 10 and |p| < 7, which of the following represents the correct range of values of x ?

A. -7 < x < 7
B. x > -18
C. x < 38
D. -38 < x < 18
E. -18 < x < 38
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Critical Reasoning Butler: April 2025
April 21CR 1CR 2

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CR 1

Slack time, or float time, refers to the time between the completion of one professional task and the beginning of the next task. By scheduling projects to minimize slack time, organizations can improve their employees’ efficiency. For instance, a Chinese consultancy firm devised a streamlined workflow design and check-in system that allowed a Brazilian conglomerate to minimize slack time by 80 percent, almost doubling its staff’s efficiency.

In the argument given, the two portions in boldface play which of the following roles?

A. The first is the argument’s conclusion; the second is an opinion that supports that conclusion’s validity.
B. The two portions are both evidence that support the argument’s conclusion.
C. The first is a premise that supports the argument’s conclusion; the second is that conclusion.
D. The two portions are both premises supporting the argument’s conclusion.
E. The first is the argument’s conclusion; the second is an evidence that supports that conclusion.


______________________
CR 2

Luc Macron: It is not wise to uncritically assume that all traditions are valuable. Most traditions are maintained because they benefit one or more social classes, and people will adhere to a tradition if it benefits them in some way. Such people may not be necessarily trying to uphold valueless traditions, but they are also not interested in examining if the tradition they participate in is of any real value.

Mariah: People would not participate in a tradition if they did not think it held some value. So, it can be assumed that if enough people participate in a tradition, it has some real social value.

Mariah’s rebuttal is most susceptible to criticism on the grounds that it

A. does not address the assertion that people will not examine the real social value of a tradition if it benefits them
B. places undue emphasis on the benefits of traditions
C. fails to specify how many people must participate in a tradition before it is justifiable to consider it valuable
D. supports the assertion that those who adhere to traditions are not purposefully trying to uphold valueless traditions
E. fails to distinguish between people’s motives for adhering to tradition from their motives for obeying non-traditional practices
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Data Sufficiency Butler: April 2025
April 21DS 1DS 2

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DS 1

At a company, 124 employees completed at least one of the following three training modules: Safety, Data Privacy, and First Aid. Of these employees, 40 completed exactly one module. Is there at least one employee who completed both Data Privacy and First Aid, but not Safety?

(1) 16 employees completed all three training modules.

(2) The combined number of employees who completed Safety and Data Privacy only and those who completed Safety and First Aid only is 27.
__________________________
DS 2

A festival organizer is putting together the final set of food trucks for a weekend street-food event. Several food trucks applied, and exactly 3 of them will be chosen. How many different groups of 3 food trucks could be chosen?

(1) If 2 more food trucks had applied, the number of possible 3-truck groups would have been 120.
(2) If 2 fewer food trucks had applied, the number of possible 3-truck groups would have been 20.
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