Search found 157 matches


The discrepancy is - 1. Steam engines were more expensive to build and operate than windmills or watermills 2. they were built in large numbers well before their costs were reduced by technical advancements. they were even built in regions where geographical conditions permitted construction of wind...

by crackverbal

Tue Mar 07, 2017 7:23 am
Forum: Critical Reasoning
Topic: OG CR: During the earliest period of industrialization in
Replies: 2
Views: 4504

Typical year - 35 collisions, $1 million for repairs. Additional training cost - $500,000 1. Will reduce collisions by at best 50%. 2. Will reduce repair costs by more than 50%. What does this imply? This implies that collisions avoided ( <50% ) will reduce repair costs by more than 50% . This mean...

by crackverbal

Tue Mar 07, 2017 6:53 am
Forum: Critical Reasoning
Topic: OG CR:In a typical year, Innovair’s airplanes
Replies: 2
Views: 5528

Simplify the argument. Premise 1 - many athletes inhale pure oxygen after exercise in an attempt to increase re-absorption of oxygen Premise 2 - blood lactate levels of athletes, measured after exercise, are similar to those of athletes who breathe normal air. Premise 3 - lower blood lactate level =...

by crackverbal

Tue Mar 07, 2017 6:27 am
Forum: Critical Reasoning
Topic: OG CR:Many athletes inhale pure oxygen after exercise
Replies: 2
Views: 6662

this is what we know - 1. Wood from trees between 16,000 to 24,000 years ago contains significantly more deuterium than wood from today. Hence, it contains more deuterium than rainwater today (because deuterium content of wood reflects the deuterium content of rainwater). 2. Water trapped in North A...

by crackverbal

Tue Mar 07, 2017 4:15 am
Forum: Critical Reasoning
Topic: OG CR:Rainwater contains hydrogen of a heavy
Replies: 2
Views: 8586

Simplify the argument - Eco-cement (made with magnesium carbonate) absorbs large amounts of CO2 --> Using eco-cement will reduce atmospheric concentrations of carbon dioxide. Option A - Incorrect. The cost of Magnesium carbonate is irrelevant to the discussion at hand. We are talking about whether t...

by crackverbal

Tue Mar 07, 2017 3:04 am
Forum: Critical Reasoning
Topic: OG CR:Many industrialized nations are trying to
Replies: 4
Views: 5245

let us review what we know. 1. every year since 1963, the agency's projected what the GNP would be 5 years later. i.e. projections were made for the years 1968, 1969, 1970, ... etc. 2. this projection was a serious underestimate. 3. Every year since 1963, they estimated the GNP of the previous year....

by crackverbal

Tue Mar 07, 2017 2:26 am
Forum: Critical Reasoning
Topic: OG CR:In the country of Marut, the Foreign
Replies: 2
Views: 6752

Simplify the argument - Industry officials Cutting costs to improve profits--> No impact on safety Environmentalists Cutting costs --> oil spills and accidents --> negative impact on safety. We are asked to strengthen the industry officials' argument. Option A - Incorrect. this option says No accide...

by crackverbal

Mon Mar 06, 2017 8:48 pm
Forum: Critical Reasoning
Topic: OG CR:Petrochemical industry officials
Replies: 2
Views: 4875

Option A - Correct Answer. "it" refers to the entire noun phrase "improved efficiency in converting harvested trees into wood products". the modifier ",thereby boosting consumption" is an effect of the preceding clause "it will stimulate demand ..." Option B -...

by crackverbal

Tue Feb 28, 2017 5:09 am
Forum: Sentence Correction
Topic: Sentence Correction - Question Pack
Replies: 2
Views: 2187

Mary received nine reports from her students after the midterm, using it to to help calculate the overall grades. (A) Mary received nine reports from her students after the midterm, using it to help calculate (B) Mary received nine reports from her students after the midterm, and used it to help in...

by crackverbal

Mon Feb 27, 2017 8:40 pm
Forum: Sentence Correction
Topic: Mary received nine reports from her students
Replies: 1
Views: 1665

I have a doubt .... is which really referring to ape or bone structure ??? if we need to write a sentence where "which" need to refer to ape how we can do that? how to make partition for such sentences ? "which" can jump over prepositions. So, "which" here can refer to...

by crackverbal

Mon Feb 27, 2017 7:13 pm
Forum: Sentence Correction
Topic: Herman Pontzer
Replies: 2
Views: 2547

The type of behavior exhibited when an animal recognizes itself in a mirror comes within the domain of “theory of mind,â€� thus is best studied as part of the field of animal cognition. A.of “theory of mind,â€� thus is best B.“theory of mind,â€� and so is best to be C.of a “theory of mind,â...

by crackverbal

Mon Feb 27, 2017 7:01 pm
Forum: Sentence Correction
Topic: VR SC: The type of behavior exhibited when an
Replies: 1
Views: 6074

What is the source of this question? It does not seem like an official question. E seems to be the better option. It suggests probably that many of the restaurant's customers are moviegoers and therefore might not want to drive 25 minutes to another restaurant to eat. They probably like the fact tha...

by crackverbal

Mon Feb 27, 2017 6:51 pm
Forum: Critical Reasoning
Topic: Second restaurant
Replies: 1
Views: 1520

I think the answer should be D because D mentions that some details of some of the footprint were erased - hence Dr. Tyson's interpretation (they are early hominid footprints) is weakened. Since the footprint is not complete in itself, it could be of any other creature/person/animal But B only says...

by crackverbal

Mon Feb 27, 2017 6:24 pm
Forum: Critical Reasoning
Topic: Hominid footprint
Replies: 1
Views: 1444

Premise 1 - Cortez observed the ceremonial game in 1519 AD. Premise 2 - inhabitants began to use rubber around 1000 AD. Conclusion - the game originated between 1000-1519 AD. the assumption must link the premise to the conclusion. Option A - Incorrect. Whether they played ceremonial games on all or ...

by crackverbal

Sat Jan 28, 2017 9:54 am
Forum: Critical Reasoning
Topic: When Cortez arrived in Mexico
Replies: 1
Views: 1597

let me give it a shot. Option A - has a modifier error as fiza gupta has pointed out. Additionally, the intervening phrase "in 1797-1798" also makes it incorrect. The initial modifier must always be immediately followed by the noun that it refers to. look at this question from GMATPrep - &...

by crackverbal

Fri Jan 27, 2017 8:57 pm
Forum: Sentence Correction
Topic: VR SC :By devising an instrument made from a rod
Replies: 7
Views: 6187