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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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In the final episode of AMA with GMAT Ninja, we break down why RC feels slippery—especially when sentences get dense, you keep rereading, and inference questions feel like guessing. We’yzsmiWO8a64er note-taking (too much vs too little), and reducing constant look-backs to the passage

👉 *Watch Live on YouTube* https://www.youtube.com/watch?v=yzsmiWO8a64
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From the set of numbers x, y, t, z and w, how many different combinations can we have without the t in them? Ex:. (x,y), (x), (w,z,y,x), etc and (x,y)=(y,x)

A. 10
B. 14
C. 15
D. 16
E. 30

Why we are not taking empty set in count for final answer.
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dhilavikash
From the set of numbers x, y, t, z and w, how many different combinations can we have without the t in them? Ex:. (x,y), (x), (w,z,y,x), etc and (x,y)=(y,x)

A. 10
B. 14
C. 15
D. 16
E. 30

Why we are not taking empty set in count for final answer.

This question is discussed HERE: https://gmatclub.com/forum/from-the-set ... 96122.html
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Problem Solving Butler: January 2025
January 26PS 1PS 2

__________________
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

__________________
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.
_________________________
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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Hey guys 👋
I am a new member in this platform. I can’t understand anything in this platform from where I can start from where I can find question I can’t understand anything

Hey guys 👋
I am a new member in this platform. I can’t understand anything in this platform from where I can start from where I can find question I can’t understand anything.
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Quote:

Hey guys 👋
I am a new member in this platform. I can’t understand anything in this platform from where I can start from where I can find question I can’t understand anything.
https://youtu.be/sBVPsJJsZ-c?si=Qq5FHCs5SgDzyAP8
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