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GMAT 800 Critical Reasoning


Q) Vegan Diet proponents have often claimed that low-carb, high-fat diets integral in a non-vegetarian diet is dangerous, and therefore, they have a superior and balanced diet. In fact, vegan diets lack important nutrients, responsible for brain function and blood formation.

Which of the following statements support the conclusion of the argument?

a) Carnosine - a protective agent against aging is found only in Animal Foods.

b) Vitamin B12, found mostly in meat, and responsible for vital brain functions, is deficient in a Vegan diet with a recent study showing 92% of vegans lacking this crucial nutrient.

c) There are no conclusive studies to support the theory put forward by Vegan Diet proponents that meat, eggs, saturated fat or cholesterol cause any harm.

d) Vegan diets require you to avoid sugar, trans fat, and vegetable oil. This is the reason for the health benefit, and not abstinence from Meat

e) Vegan diets have health benefits in the short term but nutrient deficiencies follow that require steady intake of supplements.

For answer and explanation, Download F1GMAT's Mastering GMAT Critical Reasoning (Read the Chapter on How...


Q) If you go by the popularity of Gaming units, as of Jan 4th 2015, Sony’s PS4 sold 18.5 million units and reached 10.9 million PlayStation Plus subscribers, a growth of 37.9% from October 2014.  Despite the massive growth, Sony’s PlayStation is behind Microsoft’s Xbox One, which in November 2014 accelerated its sales due to a $50 price cut, and a bundle of free games. On 28th January 2015, Spotify, the leading music subscription service announced an exclusive partnership with PS4, and offered digital music to 64 million PlayStation Network users. With the announcement, Feb 2015 saw a spike in sales for the PS4 units by 45%.

Which one of the following conclusions is valid for the above statements?


a) PS4, on itself, does not have the brand reach nor the mass following needed to overtake Microsoft’s Xbox One.

b) Demand for Microsoft’s Xbox One declined during Feb 2015

c) Bundling of services has increased the market share for Sony’s PS4

d) Price Cut had a direct impact on sales of Gaming Units

e) Sales of Sony’s PS4 will overtake Microsoft’s Xbox One in 2015

For answer and explanation, Download F1GMAT's Mastering GMAT Critical Reasoning...


Q) The Chorus from Sam Smith's "Stay With Me" has an eerie resemblance to Tom Petty's 1989 song - “I Won’t Back Down. Mr. Petty and Jeff Lynne, the Songwriters, filed a copyright violation case and settled out of court. Modern song creation has evolved away from the standard process - starting with the lyrics, the sheet music, and finally the tune. For new song creators, it would be impossible to fight cases where some parts of the song had similar sheet music as the songs in the 70s and 80s.

Which one of the following statements weakens the argument?


a) According to Muzic82 - an aggregated opinion database from Music Experts, 98% of the experts felt that Sam Smith's song had a more traditional choir gospel theme than Tom Petty's Chorus.

b) Sam Smith chose to settle the case out of court, to avoid any disruption in his promotional tours.

c) In a similar case, Marvin Gayle's family was awarded $7.3 million as compensation when Robin Thicke and Pharrell Williams - the songwriter-producer of the 2013 hit "Blurred Lines", infringed on the copyright of the 1977 Marvin Gaye Song "Got to Give It Up" without any due credit.  

d) In modern songwriting - tone, intensity, and feel are equally important to identify the uniqueness of the song

e) In another instance, 2013's #1 Song “Thrift Shop", by Macklemore & Ryan Lewis...


Jay: "#IfObamaLoses trended on twitter for 4 hours on Oct 28th 2012. Therefore, Obama is likely to lose the election”

Which statement weakens the argument presented by Jay?

a) #IfObamaLoses was fourth in the twitter trending list

b) #IfObamaLoses was trending when most of the American twitter users were asleep, hence the twitter trend represents a small minority of active users in the US.

c) #IfObamaLoses was started by a news channel that is speculated to be the mouthpiece for the republican party

d) #IfObamaLoses was started as a joke by a well-known democratic supporter

e) #IfObamaLoses was used predominantly by the 18-24 demographic, who were the
strongest supporter of Obama in 2008 elections.

From A and B, the later is a clear winner, hence the correct answer is B

Answer

a) IfObamaLoses was fourth in the twitter trending list

Potentially weakens the argument but have to look at other options to pick a clear winner. But still Pick Choice A.

b) #IfObamaLoses was trending when most of the American twitter users were asleep, hence the twitter trend represents a small minority of active users in the US.

Weakens the argument with an important piece of information – the twitter trend was...


A newborn kangaroo, or joey, is born after a short gestation period of only 39 days. At this stage, the joey’s hind limbs are not well developed, but its forelimbs are well developed, so that it can can climb from the cloaca into its mother’s pouch for further development. The recent discovery that ancient marsupial lions were also born with only their forelimbs developed supports the hypothesis that newborn marsupial lions must also have needed to climb into their mothers’ pouches.

The argument in this passage relies on which of the following assumptions?

[A] All animals that are born after a short gestation period are born with some parts of their bodies underdeveloped.
[B] Well developed forelimbs would have been more advantageous to ancient marsupial lions than well developed hind limbs would have been.
[C] If the newborn marsupial lion did not climb into its mother’s pouch, then paleontologists would be able to find evidence of this fact.
[D] Newborn marsupial lions that crawled into their mothers’ pouches could not have done so had they not had only their forelimbs developed at birth.
[E] Newborn marsupial lions would not have had only their forelimbs developed if this development were of no use to the marsupial lions.


...


In the Business program at a university, all candidates for the MBA in International Business who entered the program after 1990 took a seminar on Microeconomics, and all candidates for the MBA in International Business who entered the program after 1994 took a seminar on Applied Economics.

If a student in the Business program described above took a seminar on Microeconomics but did not take a seminar on Applied Economics, which of the following must be true?

(A) The student entered the Business program prior to 1995.
(B) The student entered the Business program after 1990 and prior to 1995.
(C) If the student was a candidate for the MBA in International Business, then the student entered the program prior to 1994.
(D) If the student was a candidate for the MBA in International Business, then the student entered the program prior to 1991.
(E)If the student was a candidate for the MBA in International Business, then the student entered the program after 1990 and prior to 1995.

Solution:

(A): This option does not mention whether the student is an MBA candidate or...


A leading board member of AutoSnip Co., makers of an automated home haircutting system, recently stated that the company was in terrible shape and headed for a disastrous year. His concern was that, since the introduction of the AutoSnip III last year, calls to the customer service line have nearly doubled, indicating that people are very unhappy with the new product. Although it's true that it is the job of responsible board members to raise issues of concern, in this case the board member's analysis of the situation is mistaken. The customer service line handles not only complaints but also sales, and the majority of the new calls have been to place new orders.

What role do the two boldfaced selections play in the above argument?

A.The first provides evidence supporting the main conclusion of the argument; the second provides evidence supporting a conclusion that the argument opposes.
B. The first provides evidence, an interpretation of which supports the main conclusion of the argument; the second provides evidence supporting the main conclusion of the argument.
C. The first provides incontrovertible evidence opposing the main conclusion of the argument; the second provides evidence supporting the main conclusion of the...