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WA@bah3115
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Data Sufficiency Butler: September 2025
September 18DS 1DS 2

__________________________________
DS 1

If Dave’s average (arithmetic mean) score on three tests was 74, what was his lowest score?

(1) Dave’s highest score was 82.
(2) The sum of Dave’s two highest scores was 162.
__________________________________
DS 2

If a computer dealer sold a few desktop computers and a few laptop computers, what was the average (arithmetic mean) sale price for all the computers that were sold by the dealer last month?

(1) The average sale price for the desktop computers that were sold by the dealer last month was $800.
(2) The average sale price for the laptop computers that were sold by the dealer last month was $1,100.
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Critical Reasoning Butler: September 2025
September 18CR 1CR 2

________________________________________
CR 1

A certain laboratory is studying the incidence of fatal liver damage in rats. Sixty-five percent of all rats whose environments exposed them to low levels of the toxin sulfur dioxide died of liver disorder. Ninety percent of all rats who died of liver disorder, however, were not exposed to any environmental toxins

Which of the following would provide a feasible explanation for the statistics above?

(A) Environmental and nonenvironmental causes of liver disease in rats are mutually exclusive.

(B) There is only one cause of fatal liver disease in rats.

(C) Environmental toxins are not particularly dangerous to the livers of rats.

(D) Only a small portion of the entire group of rats studied was exposed to environmental sulfur dioxide.

(E) Most rats will not suffer from exposure to low levels of sulfur dioxide.
________________________________________
CR 2

The proliferation of colloquialisms is degrading the English language. A phrase such as she was like, "no way!" you know?—a meaningless collection of English words just a few decades ago—is commonly understood by most today to mean she was doubtful. No language can admit imprecise word usage on a large scale without a corresponding decrease in quality.

Which of the following, if true, most weakens the argument above?

(A) Linguists have shown that the use of imprecise language on a small scale does not generally impair understanding.

(B) Many colloquialisms that appeared in earlier forms of the English language disappeared over time as the people who used those particular phrasings were assimilated into larger groups with different language patterns.

(C) Dissemination of a new word or phrase by the mass media is an important factor in whether or not the new word or phrase will become a colloquialism.

(D) Colloquialisms are more likely to be coined by the youth in a culture than by any other segment of the population.

(E) Languages of the highest quality often evolve over time out of a collection of colloquial usages woven into the formal dialect of a given people.
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Answer to the above cr questions ?
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WA@ahi1443
1. c 2. e
1.b and 2.e
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1st one is b ?
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yes for the quant
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Critical reasoning questions i was asking for
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1. d i think for cr

2. e
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Problem Solving Butler: September 2025
September 18PS 1PS 2

______________________________________
PS 1

In a Chemistry lab, there are three solutions of an acid – A, B and C – of concentrations 45%, 50% and c% respectively. If 100 ml of A when mixed with V ml of C, produces a solution of 60% concentration and 100 ml of B when mixed with V ml of C, produces a solution of 62% concentration, what is the value of V?

A. 80
B. 100
C. 120
D. 150
E. 175
______________________________________
PS 2

Either of the team of A and B or team of C and D can do the a work in 15 days. Also the same work can be done by the team of A and D in 10 days and by the team of B and C in 30 days. If B alone takes 40 days to complete the work, what is the ratio of the number of days taken by the team of B and D and that taken by the team of A and C to complete the work?

A. 1 : 1
B. 3 : 5
C. 3 : 4
D. 1 : 2
E. Cannot be determined
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