Complete #GMAT Crash Course EP3: Critical Reasoning: Assumption, Weaken, Logical Flaw, Evaluate Ques

A complete GMAT series by #gmatninja. Learn almost everything about #GMATQuant and #GMATVerbal in 25 videos. This is the third episode of this #GMATPreparation series in which we cover important concepts of Critical Reasoning tested in GMAT Verbal

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Video Timestamps:
0:00 Intro
2:20 Identifying Logical Structure and Conclusion of the argument - Key to Succeed in CR
4:58 Question #1
13:52 Question #2
23:07 Question #3
31:01 Question #4

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[artisticsaurabh]

Q1. Option D talks about thinning of ice in the South. But the argument is about expanding the range in the north. Wouldn't that be an added motive to go North?

[maxsparrowX]

Hi Charles, this is magneto. From Q1, is it safe to assume that weakens argument can mean not only by countering the initial conclusion but also by negating or making void the conclusion?

[srivatsadeshpande]

GMAT Ninja - Going by the your logic in Q1, option D says the ice in southern Arctic will disappear. Would that not imply that the Gs' range will probably move northward in search of fish that gather beneath thin ice ?

[merrybroke]

In Q3 option C: If we have unusually low production of some other amino acid, it may be that the metals do not react with that amino acid to destroy the herp. In other plants, there might be that amino acid in higher concentration which could react with metals to destroy them. Hence, the other amino acid would be the key feature in allowing the herb to grow in metal rich soils.

Could you please explain what's wrong in this thinking?

[mrdreamsgalore]

Quick q on Q1. Option D weakens because northwards from the "southernmost" arctic coast is still south Arctic? Tough game!

[Sadmuffin]

Hi. I've an exam which is almost identical to gmat next month in my country. In vid I've got all the questions right. But what I'm struggling with is to completely close out other options. I mean can get one or two answers off the chart, but for the rest i heavily rely on my intuition. Even though i got all right in this particular session, my accuracy percentage is 50-50. I just can't process some of the options or what a particular line of the passage says. How can i improve on that? I really don't want to feel like i gamble every question I attempt. Cause to identify that a question is hard is also a part of the exam. Some questions aren't there to be answered. I need to know what to skip and what to answer correctly with 100% confidence