BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Target Test Prep · GMAT

Choose how you want to prepare

Learn live with an expert or move at your own pace. Every option includes the complete TTP study system.

★★★★★5.0563 reviews
Newsweek Readers’ Choice Awards 2026 winner: Target Test Prep, #1 Test Prep
NEWSWEEK READERS’ CHOICE AWARDS 2026

Target Test Prep was voted #1 Best Test Prep in the 2026 Newsweek Readers’ Choice™ Awards.

GMATLiveTeach Starts Oct 17
Chris Peckover, Target Test Prep GMAT expert
LIVE ONLINE CLASSES

Get Ready for GMAT Test Day Faster with Live Online Classes

with Chris Peckover, 100th-Percentile GMAT Scorer

Oct 17 · Chris Peckover
Sat · 11:00 AM to 2:00 PM ET
Oct 20 · Chris Peckover
Tue, Thu · 8:00 to 10:00 PM ET
Oct 25 · Josh Braslow
Sun · 1:00 to 4:00 PM ET
Included
40 hours of live online classes + 6 months of TTP OnDemand
  • Attend the first class for free
  • Every class is recorded, so you never fall behind
View classes & enroll
Limited seats availableTarget Test Prep
EALiveTeachOnDemand 5 seats left Start anytime
EXECUTIVE ASSESSMENT

Target Test Prep EA OnDemand

Self-paced EA prep. Study on your schedule.

Logan Thompson
EXECUTIVE ASSESSMENT

Sep 6 to Dec 6, 2026

with Logan Thompson

165+ EA score guarantee
$05-day trial no automatic billing
Schedule
Sun · 9:30 AM to 12:30 PM ET
Included
40 hours of live online classes plus six months of access to the complete TTP EA OnDemand course.
  • 165+ EA Score Guarantee
  • 4,100+ Quant, Verbal, and Integrated Reasoning practice questions
  • 400+ hours of in-depth video lessons
  • 3,000+ step-by-step video solutions
View EA class & enroll Start free 5-day trial
Limited cohort · enrollment openTrial includes full course accessTarget Test Prep
GMATOnDemand Start anytime
SELF-PACED MASTERCLASS

Target Test Prep GMAT OnDemand

Complete access from day one. Study on your schedule.

715+ score guarantee
$0to start then $127/mo
  • Personalized study plan and analytics
  • Thousands of lessons and practice questions

Compare the format, schedule, and included access before enrolling. Prices and seat counts shown reflect the supplied offer details.

Three critical reasoning assumptions questions for practice:

Expert replies
by shreenag » Sun Jun 03, 2012 8:58 am
1.The goal of fluoridation is to prevent tooth decay by adjusting the levels of fluoride concentration in public drinking water.However,recent World health organisation report has estimated that 41% of american adolescents aged 12 and 15 have dental fluorosis,indicated by white or brown patches on the teeth.An initiative to improve public health has ironically resulted in lower dental health,forcing the food and drug administration to reduce fluoride levels by close to 50% in some areas.

Which of the following is one of the assumptions on which the argument is based on?

A.dental flurosis is a condition that predominantly affects teenagers and not adults.
B.Adjusting the levels of fluoride concentration had always led to an increase in fluoride in water.
C.White or brown patches do not necessarily indicate tooth decay.
D.All the adolescents who suffered from dental flurosis live in the areas where the FDA has reduced the fluoride levels.
E.Dental fluorosis is a condition that can be contacted only by the consumption of fluoride high water.


2."Newsweekly", a leading magazine conducted a survey of all its readers to gauge reading patterns.The single most important factor determining magazine purchase was the presence of local news.Based on the input,the magazine increased its focus on local news,in order to increase circulation.

Which of the following assumptions most underlies the magazine's increased focus on local news.

A.The survey was conducted as objectively as possible by a neutral agency.
B.There were no extraneous factors driving the desire of people to seek out local news.
C.People's interest in local news would translate into a desire to purchase a newspaper that publishes local news.
D.The preferences of all potential customers of newsweekly mirrors that of the readers of "Newsweekly".
E.Focusing on local news should not be at the cost of loss of detail on other important news categories.

3.Kraft foods' market survey indicated that most preferred chocolates were also the ones that had the highest sugar content.Based on this,kraft foods decided to increase the sugar contents in its newer chocolates as well.

The critical assumption underpinning Kraft foods' decision is

A.People's preference for high sugar contents would continue in the future also.
B.Consumers would be willing to pay more for the increased sugar content in the new chocolates.
C.Presence of higher sugar content was the reason for the higher preference from customers.
D.The increase in sugar content would not be combined with any other undesired effects on the taste of the chocolates.
E.Consumers choice of chocolates was driven more by considerations driven by taste more than by wealth.


My answer choices are E,C,C.

Not sure if these are correct.

Experts pl reply.
Warm regards,
Shreenath.

Never,never give up.
Join the discussion
Source: — Critical Reasoning |

by ice_rush » Sun Jun 03, 2012 12:51 pm
IMO (E) for the first and (B) for the last question.
Last edited by ice_rush on Mon Jun 04, 2012 8:26 am, edited 1 time in total.
Join the discussion

by umeshpatil » Sun Jun 03, 2012 7:57 pm
My answers are B,C,A
Join the discussion

by Ashujain » Mon Jun 04, 2012 3:26 am
IMO: E, D, C
Join the discussion

by jimmyjimmy » Mon Jun 04, 2012 9:28 am
ACA..
Join the discussion

by dhonu121 » Mon Jun 04, 2012 1:17 pm
I think C,D,C.
Please post the OA.
If you've liked my post, let me know by pressing the thanks button.
Join the discussion

by ankita1709 » Mon Jun 04, 2012 11:01 pm
I think it should be E,D,C
Ankita
Join the discussion

by snigdha.singh16 » Tue Jun 05, 2012 2:09 am
IMO - E, D ,C

Regards,
Snigdha
Join the discussion

by GMATGuruNY » Tue Jun 05, 2012 5:22 am
I received a PM asking me to comment.
What is the source of these questions? Some of the phrasing here is grammatically and/or semantically suspect.
In my responses, I've reworded the correct answer where necessary.
shreenag wrote:1.The goal of fluoridation is to prevent tooth decay by adjusting the levels of fluoride concentration in public drinking water.However,recent World health organisation report has estimated that 41% of american adolescents aged 12 and 15 have dental fluorosis,indicated by white or brown patches on the teeth.An initiative to improve public health has ironically resulted in lower dental health,forcing the food and drug administration to reduce fluoride levels by close to 50% in some areas.

Which of the following is one of the assumptions on which the argument is based on?

A.dental flurosis is a condition that predominantly affects teenagers and not adults.
B.Adjusting the levels of fluoride concentration had always led to an increase in fluoride in water.
C.White or brown patches do not necessarily indicate tooth decay.
D.All the adolescents who suffered from dental flurosis live in the areas where the FDA has reduced the fluoride levels.
E.Dental fluorosis is a condition that can be contracted only by the consumption of fluoride high water.
Fluorosis -- a discoloration of the teeth -- is caused by an excess intake of fluoride.
This CR links fluoride in the WATER to the FLUOROSIS seen in adolescents.
Answer choice E, negated:
Dental fluorosis is a NOT a condition that can be contracted only by consuming WATER high in fluoride.
The negation of E breaks the link between the fluoride in the water and dental fluorosis.
Thus, E is the necessary assumption: WHAT MUST BE TRUE for the conclusion here to be valid.
2."Newsweekly", a leading magazine conducted a survey of all its readers to gauge reading patterns. The single most important factor determining magazine purchase was the presence of local news. Based on the input,the magazine increased its focus on local news,in order to increase circulation.

Which of the following assumptions most underlies the magazine's increased focus on local news.

A.The survey was conducted as objectively as possible by a neutral agency.
B.There were no extraneous factors driving the desire of people to seek out local news.
C.People's interest in local news would translate into a desire to purchase a newspaper that publishes local news.
D.The preferences of all potential customers of newsweekly mirrors that of the readers of "Newsweekly".
E.Focusing on local news should not be at the cost of loss of detail on other important news categories.
This CR links a survey of READERS to a plan to INCREASE CIRCULATION.
The assumption is that what current READERS want is the same as what NON-READERS want.
Answer choice D, negated:
The preferences of ALL POTENTIAL CUSTOMERS of "Newsweekly" DO NOT MIRROR those of the READERS of "Newsweekly".
The negation of D breaks the link between the READERS who were surveyed and ALL POTENTIAL CUSTOMERS.
Thus, D is the necessary assumption: WHAT MUST BE TRUE for the conclusion here to be valid.

Answer choice C, negated:
People's interest in local news would NOT translate into a desire to purchase a newspaper that publishes local news.
The negation of C weakens the PREMISE that the single most important factor determining magazine purchase was the presence of local news.
The negation of the correct answer choice cannot invalidate a premise.
A premise is a FACT; it cannot be disputed.
3.Kraft foods' market survey indicated that most preferred chocolates were also the ones that had the highest sugar content.Based on this,kraft foods decided to increase the sugar contents in its newer chocolates as well.

The critical assumption underpinning Kraft foods' decision is

A.People's preference for high sugar contents would continue in the future also.
B.Consumers would be willing to pay more for the increased sugar content in the new chocolates.
C.Presence of higher sugar content was the reason for the higher preference from customers.
D.The increase in sugar content would not be combined with any other undesired effects on the taste of the chocolates.
E.Consumers choice of chocolates was driven more by considerations driven by taste more than by wealth.
This CR links a HIGH SUGAR CONTENT to the chocolates MOST PREFERRED in the survey.
Answer choice C, negated:
A high sugar content was NOT the reason for the preference expressed by the customers in the survey.
The negation of C breaks the link between the HIGH SUGAR CONTENT and the CHOCOLATES MOST PREFERRED by customers in the survey.
Thus, C is the necessary assumption: WHAT MUST BE TRUE for the conclusion here to be valid.
Private tutor exclusively for the GMAT and GRE, with over 20 years of experience.
Followed here and elsewhere by over 1900 test-takers.
I have worked with students based in the US, Australia, Taiwan, China, Tajikistan, Kuwait, Saudi Arabia -- a long list of countries.
My students have been admitted to HBS, CBS, Tuck, Yale, Stern, Fuqua -- a long list of top programs.

As a tutor, I don't simply teach you how I would approach problems.
I unlock the best way for YOU to solve problems.

For more information, please email me (Mitch Hunt) at [email protected].
Student Review #1
Student Review #2
Student Review #3
Join the discussion

by shreenag » Tue Jun 05, 2012 5:59 pm
Hi GMATguruNY,

The source of these questions are a question paper which i received when I attended a demo class for critical reasoning at a particular GMAT institute
Warm regards,
Shreenath.

Never,never give up.
Join the discussion