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Data Sufficiency Butler: January 2025
January 23DS 1DS 2

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DS 1

If 40 percent of the people who bought a particular smartphone bought a smartwatch, what percent of the smartphone buyers bought headphones?

(1) 50 percent of people who bought the smartphone and the smartwatch also bought headphones.
(2) 80 percent of people who bought the smartphone and the headphones also bought the smartwatch.
__________________________
DS 2

Over the course of a certain month, Olga, a saleswoman, sold 20 cars, and each of her 7 colleagues sold at least 1 car. Did Olga sell as many or more cars than at least 4 of her colleagues?

(1) The average (arithmetic mean) of the number of cars sold by Olga’s 7 colleagues is 12.
(2) The median of the number of cars sold by Olga’s 7 colleagues is 18.
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Problem Solving Butler: January 2025
January 26PS 1PS 2

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PS 1

If \((\frac{1}{50})^a(\frac{1}{20})^4 = \frac{1}{50} (100)^{-6}\), a = ?

A. 3
B. 4
C. 5
D. 6
E. 7

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PS 2

What is the highest integer k for which 125^k perfectly divides 200! ?

A. 49
B. 48
C. 16
D. 13
E. 1
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Critical Reasoning Butler: January 2025
January 26CR 1CR 2

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CR 1

A new town ordinance that requires all home owners to install burglar alarms and other anti-theft measures on their property has received stiff opposition from those who believe that citizens of a free society must be allowed to freely take risks, as long as those risks do not harm others. Resultantly, they conclude that it should be each home owner’s decision to install the anti-theft measures.

Which of the following, if true, most seriously weakens the conclusion drawn above?

A. Many new homes come with pre-installed anti-theft measures.
B. Property owners who do not install anti-theft measures, on average, experience greater monetary loss due to burglary than those who do install such measures.
C. Banks are required to install extremely stringent anti-theft measures.
D. The rate of burglary in states that do not have laws mandating the installation of anti-theft measures is greater than that in states that do have such laws.
E. Theft insurance rates are higher for everyone because of the need to pay for the increased losses sustained by those without anti-theft measures.
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CR 2

Lunacorp and Salem Industries are two sanitation firms that employ an equal number of workers who work the same number of hours per week. According to each company’s end of year report, the employees of Lunacorp took fewer sick leaves last year than did the employees of Salem Industries. Therefore, employees of Lunacorp are less likely to fall ill than are employees of Salem Industries.

Which of the following, if true, would most strengthen the conclusion above?

A. Lunacorp’s expenditure on new job-related medical claims is greater than Salem Industries’.
B. Salem Industries holds more health inspections than does Lunacorp.
C. Salem Industries’ infirmary is more modern than Lunacorp’s.
D. Salem Industries provides sanitation services for environments that are more hazardous for its employees to work in than does Lunacorp.
E. Salem Industries provides more types of health-care benefits than does Lunacorp.
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Data Sufficiency Butler: January 2025
January 26DS 1DS 2

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DS 1

Lily has only red and blue balls in a jar. If she removes three balls, is the probability of getting all red balls greater than the probability of getting at least one blue ball?

(1) The number of red balls is more than three times the number of blue balls.
(2) Less than 1 / 4 th of the balls in the jar are blue.

___________________________
DS 2

How many people did Casax Inc. employ in 2008?

(1) In 2007, Casax Inc.’s workforce numbered 100,000 people.
(2) In 2008, Casax Inc.’s workforce increased by 2 percent, or 2,000 people, over 2007.
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Problem Solving Butler: January 2025
January 27PS 1PS 2

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PS 1

K is a factor of 30! + 40!. If K is a prime number less than 40, the highest possible value of K is?

A. 19
B. 23
C. 29
D. 31
E. 37
____________________
PS 2

If y = 80x + 36, where x is a positive integer, which of the following cannot be factor of y ?

A. 3
B. 7
C. 12
D. 14
E. 24
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Critical Reasoning Butler: January 2025
January 27CR 1CR 2

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CR 1

Technician: It is true that the Nebula G10 smartphone is not as valuable as the Outlook M1 smartphone because, on average, insurance companies do not pay as much to replace a lost Nebula G10 as to replace a lost Outlook M1. Repair costs show a different picture though. It can’t be denied that the repairs to Nebula G10 phones are especially labor-intensive and labor is a significant factor in accident repair costs. As a result, the average amount that insurance companies pay to repair a phone under warranty that is damaged by an accident is typically higher for the Nebula G10 than for the Outlook M1.

Which of the following, if true, most strongly supports the technician’s explanation?

A. Reliable statistics show that Outlook M1 phones are more frequently damaged in accidents than Nebula G10 phones are.
B. Outlook M1 phones are considered more economically valuable largely for the ease of repair of the phones.
C. Availability of technicians specializing in the repairs of Nebula G10 is higher than that of technicians specializing in the repairs of Outlook M1.
D. No significant difference exists between the cost of routine upkeep of Outlook M1 and that of Nebula G10.
E. Consumer data indicates that the Nebula G10 phones are returned for defects at a rate greater than that for Outlook M1 phones.
_________________________
CR 2

Forensic scientists trained to authenticate antiques do so by analyzing not only the physical form of the antique but also such properties as the chemical composition of the materials it is composed of and microscopic signs of damage that indicate its age. Even the most adept forgers cannot duplicate all of the properties the scientists analyze.

Which of the following can be logically concluded from the passage above?

A. The time it takes for the forensic scientists to examine an antique and determine its authenticity makes their services impractical for commercial use.
B. Nobody can secure authentication from a forensic scientist trained to authenticate antiques by relying solely on a skill for forging antiques.
C. Forensic scientists trained to authenticate antiques will soon be hired by most museums.
D. Forensic forgery-detection training has taken many years to formulate and perfect.
E. In many cases even genuine antiques are denied authentication by forensic scientists trained to authenticate antiques.
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Data Sufficiency Butler: January 2025
January 27DS 1DS 2

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DS 1

Each of the 600 cars in a certain parking lot is either a hatchback or a sedan. How many of the hatchbacks are electric?

(1) 75% of all cars in the parking lot are electric.
(2) The number of electric sedans is 25% more than the number of electric hatchbacks.
_______________________
DS 2

Last week, Cosmo repaired multiple motorbikes and cars. How many hours did Cosmo spend repairing motorbikes last week?

(1) Last week, Cosmo spent a total of 40 hours repairing both cars and motorbikes.
(2) Last week, the average (arithmetic mean) number of hours that Cosmo spent repairing each motorbike was 20 percent greater than the average number of hours he spent repairing each car.
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Problem Solving Butler: January 2025
January 28PS 1PS 2

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PS 1

If \(\frac{9^{x-1}}{27^{3x+2}} = 81^{x+1}\), x = ?

A. 11/12
B. 12/11
C. 4/3
D. -11/12
E. -12/11
_________________________
PS 2

If P is a positive integer and Q = 5P + 7, which of the following CANNOT be a divisor of Q?

A. 2
B. 3
C. 5
D. 7
E. 11
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Critical Reasoning Butler: January 2025
January 28CR 1CR 2

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CR 1

The introduction of ladybugs into a garden ecosystem is an excellent method of protecting ornamental flowers from aphids. Unfortunately, the ladybugs will only prey on the aphids for a week before flying away, and no aphid infestation severe enough to warrant the deployment of ladybugs can be cleared in a single week. However, although synthetic pesticides are not much longer lasting, they can be easily reapplied whenever the aphids reappear. Clearly, therefore, for protecting ornamental flowers from aphids, introducing ladybugs can play no useful role.

The argument is most vulnerable to the objection that it fails to

A. consider that there might be less severe aphid infestations that can be cleared in a week
B. allow for the possibility of combining the two aphid-control methods it mentions
C. distinguish among the several varieties of synthetic pesticides
D. mention any alternative aphid control method that could be utilized in place of the rejected method
E. allow for the possibility that the introduction of insects other than ladybugs might have the same effect.
__________________________
CR 2

Environmentalist: Cod prices in our area need to be increased significantly. The cod population in the nearby ocean has been falling for years because cod is being fished at unsustainable levels. Due to the low price of cod, few consumers have been affected by the introduction of the hefty environmental tax on the sale of this endangered fish.

The two sections in boldface play which of the following roles in the environmentalist’s argument?

(A) The first is a conclusion that the argument provides support for, and which in turn provides support for the main conclusion; the second is the main conclusion.
(B) The first is the only conclusion; the second provides an explanation for the first.
(C) The first is an observation that the second provides an explanation for; the second is the main conclusion but not the only conclusion.
(D) The first is a premise that supports the main conclusion of the argument; so is the second.
(E) The first is the main conclusion; the second is a conclusion supported by the argument, and which in turn supports the first.
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Data Sufficiency Butler: January 2025
January 28DS 1DS 2

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DS 1

Is the median monthly salary of 15 randomly selected employees of a particular company greater than the average (arithmetic mean) monthly salary by at least 5 percent?

(1) The median monthly salary of the 15 employees is $250 greater than their average monthly salary.
(2) The sum of the monthly salaries of the 15 employees is less than $70,000.

________________________
DS 2

Jack paid $30 at a salon; this included the salon fee, taxes, and tip. How much tax did Jack pay in the transaction?

(1) Tax and Tip together contributed to 25% of the total expense.
(2) Salon fee and the tip together contributed to 90% of the total expense.
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Problem Solving Butler: January 2025
January 30PS 1PS 2

_______________________________
PS 1

If 3p^5 = 96 and 7q = 32, what is the value of p/q?

A. 16/7
B. 7/16
C. ±16/7
D. ±7/16
E. Cannot be determined from the given information
_______________________________
PS 2

p, q, r, s are positive integers. When p is divided by q, the remainder is 7; when r is divided by s, the remainder is 12. Which of the following may be a value of q + s?

A. 15
B. 17
C. 19
D. 20
E. 23
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Critical Reasoning Butler: January 2025
January 30CR 1CR 2

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CR 1

Some Egyptologists consider Pharaoh Rameses II’s decision to draft the Treaty of Kadesh, which ended the fifteen-year long Egyptian-Hittite War, to be one of the pivotal decisions made by the Pharaoh that allowed him to cement his legacy as the greatest of the Egyptian Pharaohs.

Which of the following, if true, would most weaken the claim that the signing of the Treaty of Kadesh was one of the pivotal decisions made by Pharaoh Rameses II that allowed him to cement his legacy as the greatest of the Egyptian Pharaohs?

A. Egypt secured access to lucrative Hittite ports and a large amount of arable land as a result of the treaty.
B. The treaty was signed at a time when both the Hittite army and the Egyptian army were engaged in military innovation.
C. The Treaty of Kadesh established the Hittite Kingdom as a military ally of Egypt, against the increasingly powerful Assyrian Empire.
D. Ramses II had drastically underestimated the strength of the Hittite army.
E. The Treaty of Kadesh was signed after internal conflict forced the Hittite Kingdom to pursue diplomatic ties with the kingdoms surrounding it.

__________________________
CR 2

Sandra is a dog walker who usually looks after twelve dogs. In the morning, Sandra picks the dogs up from their owners’ homes and then takes them to a local park to exercise and entertain before dropping them back at their respective owner’s home. Every Sunday, the owners pay Sandra at an hourly rate for the services she rendered that week. Typically, Sandra’s weekly income is adequate, but it is not always consistent, particularly when it rains, as the owners often choose to keep their dog indoors in bad weather.

Which of the following plans, if implemented, is most likely to make Sandra's weekly income both consistent and adequate?

A) Combine resources with a friend who looks after dogs under similar arrangements, enabling the two dog walkers to cooperate in looking after double the dogs that Sandra currently does.
B) Employ a permanent assistant and invest in protective gear to shield the dogs from the cold.
C) Replace payment by actual hours of pet care services provided with a fixed weekly fee based upon the number of hours of pet care that Sandra would typically be expected to provide.
D) Raise her hourly rate enough to provide adequate income, even if half of the dogs Sandra usually takes to the park are kept indoors for a full workweek.
E) Raise her daily hours of availability, so that dog-owners can have Sandra exercise their pets for more time every day at the current hourly rate.
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Data Sufficiency Butler: January 2025
January 30DS 1DS 2

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DS 1

Murtaugh Dynamics and O.R.E Machinery are sister firms. Rounded to the nearest thousand, what was the combined 2022-2023 revenue for the two firms?

(1) Rounded to the nearest thousand, the 2022-2023 revenues for Murtaugh Dynamics and O.R.E Machinery were $200,000 and $150,000 respectively.
(2) The exact revenue figures for Murtaugh Dynamics and O.R.E Machinery were each within 0.4% of the rounded figures.
_________________________
DS 2

A game was played by each student in two sections of a class - A and B. If the two sections had the same number of students, was the median score the same in the two sections?

(1) No two students in the same section got the same score.
(2) The highest score as well as the lowest score was the same in the two sections.
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Problem Solving Butler: February 2025
February 2PS 1PS 2

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PS 1

‘W’ is the smallest positive integer that has 12 factors. What is the remainder when W is divided by 11 ?

A. 2
B. 5
C. 6
D. 8
E. 9
_________________________
PS 2

What is the rightmost non-zero integer in the integer value of 16! ?

A. 1
B. 2
C. 4
D. 6
E. 8
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Critical Reasoning Butler: February 2025
February 2CR 1CR 2

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CR 1

Which of the following most logically completes the passage?

Federal officers analyzing the stagnant industries of the Alcappian region divided the industries into two categories: consumer goods manufacturing and the service industry. According to the analysts, unlike the service providers, most of the manufacturing companies in the region were not profitable. Some economists’ recommendation to focus federal aid on the service industry alone, however, will not necessarily improve the economic situation of the region, since ________.

A. most manufacturing industry companies have been in the Alcappian region for at least a decade, whereas some of the service companies were established in the region in the last decade
B. over the last thirty years, a third of the least profitable manufacturing companies have closed business, and their employees have emigrated from the Alcappian region
C. a significant portion of the revenue of service providers in the region is accounted for by contracts to manufacturing industry companies
D. Local service industry companies do not provide all the services needed by the companies in the Alcappian region
E. Neither industry has greater profitability, relative to the overall size of the industry, than the profitability of the ever-growing shipping industry in the region
___________________________
CR 2

Those who are suspicious of government attempts to regulate industry suggest that the well-being of workers would be better served if workers’ unions were established for each profession and radically empowered to establish and enforce the worker protection guidelines currently enforced by the government.

Which of the following, assuming that it is a realistic possibility, argues most strongly against the suggestion above?

A. Workers’ unions might compete for influence over the labor market.
B. Workers’ unions might not always agree on the best way to serve the well-being of the workers.
C. If they wished to expand their operations, workers’ unions might be forced to accept funding from private organizations.
D. Because of their lack of experience, many workers’ unions might not be able to establish better worker protection guidelines than the current guidelines established by the government.
E. Some groups of workers may continue to be mistreated despite the best efforts of the workers’ unions, even if the unions are not hindered by a lack of resources.
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Data Sufficiency Butler: February 2025
February 2DS 1DS 2

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DS 1

The average weight of five people is 160 pounds. If no two people weigh the same, what is the weight of the third heaviest person?

(1) If the weights in pounds of five people are arranged in increasing order, the difference between any two consecutive terms is 10 pounds.
(2) If the weights in pounds of five people are arranged in increasing order, the difference between any two consecutive terms is the same.
_________________________
DS 2

Some Nitrogen was added into each of the 5 Nitrogen cylinders in a lab. If the standard deviation of the volume of Nitrogen in the 5 cylinders before the addition was 10 gallons, what was the standard deviation of the same after the addition?

(1) 7 gallons of Nitrogen was added into each of the cylinders.
(2) The average volume of Nitrogen in the 5 cylinders was 30 gallons before the addition and 37 gallons after the addition.
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