3CR a Day,Keeps CR Fear Away : GMAT Critical Reasoning (CR)
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# 3CR a Day,Keeps CR Fear Away

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3CR a Day,Keeps CR Fear Away [#permalink]

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12 Apr 2010, 19:32
5
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HI GMATCLUBBERS,

Its True that "3CR a Day,Keeps CR Fear Away" So Friends Let us solve 3 CR/Day.

Ill be posting 3 CR questions Every day and the OA will be posted later.....

IF u guys Remember a similar thread was Started few months back.(it really helped me)

Some Generic Notes

1)Question will be mostly from 1000CR.

2)Question in this Thread will cover all type of Questions that appear in Gmat(most of us will be an expert in answering Strengthen,Weaken Questions but inference,Logical Flaw questions are always problematic)

4)This Thread is not just for me to post. Any One can post their Questions In this Thread.

Thanks,
Let us Nail CR

Last edited by RaviChandra on 20 Jun 2010, 21:09, edited 4 times in total.
If you have any questions
New!
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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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12 Apr 2010, 19:42
1
KUDOS

Quote:
Pundit: The only airline providing service for our town announces that because the service is unprofitable, it will discontinue this service next year. Town officials have urged the community to use the airline’s service more frequently so that the airline will change its decision. There is no reason to comply with their recommendation, however, for just last week these same officials drove to an out-of-town conference instead of flying.
The Pundit’s reasoning is most vulnerable to criticism on the grounds that it presumes, without providing justification, that
(A) Increasing the number of tickets sold without increasing ticket prices will be sufficient to make continued air service economically feasible.
(B) Suspending service and losing money by continuing service are the airline’s only options.
(C) The town officials paid for their trip with taxpayers’ money rather than their own money.
(D) Ground transportation is usually no less expensive than airplane transportation.
(E) If the town officials did not follow their own advice, then that advice is not worth following.

Source:Q8/10-2002/1000CR
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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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12 Apr 2010, 20:49
Is it E ?
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"Success is going from failure to failure without a loss of enthusiam." - Winston Churchill

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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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12 Apr 2010, 23:27
HI nsp007,
[Reveal] Spoiler:
its D
but please explain ur answers.. its helps you and even helps others......

Quote:
Q2)Some scientists believe that 65 million years ago an asteroid struck what is now the Yucatan Peninsula, thereby causing extinction of the dinosaurs. These scientists have established that such a strike could have hurled enough debris into the atmosphere to block sunlight and cool the atmosphere. Without adequate sunlight, food sources for herbivorous dinosaurs would have disappeared, and no dinosaurs could have survived a prolonged period of low temperatures. These same scientists, however, have also established that most debris launched by the asteroid would have settled to the ground within six months, too soon for the plants to disappear or the dinosaurs to freeze.
Which one of the following, if true, most helps to resolve the apparent discrepancy between the scientists’ beliefs and the scientists’ results, as described above?
(A) Loss of the herbivorous dinosaurs would have deprived the carnivorous dinosaurs of their food source.
(B) Dinosaurs inhabited most landmasses on the planet but were not especially abundant in the area of the asteroid strike.
(C) A cloud of debris capable of diminishing sunlight by 20 percent would have cooled the earth’s surface by 7 to 10 degrees Celsius.
(D) The asteroid was at least 9.6 km in diameter, large enough for many dinosaurs to be killed by the strike itself and by subsequent tidal waves.
(E) Dinosaurs were susceptible to fatal respiratory problems cause by contamination of the air by asteroid debris

Quote:
Q3)Economist: Technology now changes so rapidly that workers need periodic retraining. Such retraining can be efficient only if it allows individual companies to meet their own short-term needs. Hence, large governmental job retraining programs are no longer a viable option in the effort to retrain workers efficiently.
Which one of the following is an assumption required by the economist’s argument?
(A) Workers did not need to be retrained when the pace of technological change was slower than it is currently.
(B) Large job retraining programs will be less efficient than smaller programs if the pace of technological change slows.
(C) No single type of retraining program is most efficient at retraining technological workers.
(D) Large governmental job retraining programs do not meet the short-term needs of different individual companies.
(E) Technological workers are more likely now than in the past to move in order to find work for which they are already trained.
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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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13 Apr 2010, 02:55
Quote:
Q2)Some scientists believe that 65 million years ago an asteroid struck what is now the Yucatan Peninsula, thereby causing extinction of the dinosaurs. These scientists have established that such a strike could have hurled enough debris into the atmosphere to block sunlight and cool the atmosphere. Without adequate sunlight, food sources for herbivorous dinosaurs would have disappeared, and no dinosaurs could have survived a prolonged period of low temperatures. These same scientists, however, have also established that most debris launched by the asteroid would have settled to the ground within six months, too soon for the plants to disappear or the dinosaurs to freeze.
Which one of the following, if true, most helps to resolve the apparent discrepancy between the scientists’ beliefs and the scientists’ results, as described above?
(A) Loss of the herbivorous dinosaurs would have deprived the carnivorous dinosaurs of their food source.
(B) Dinosaurs inhabited most landmasses on the planet but were not especially abundant in the area of the asteroid strike.
(C) A cloud of debris capable of diminishing sunlight by 20 percent would have cooled the earth’s surface by 7 to 10 degrees Celsius.
(D) The asteroid was at least 9.6 km in diameter, large enough for many dinosaurs to be killed by the strike itself and by subsequent tidal waves.
(E) Dinosaurs were susceptible to fatal respiratory problems cause by contamination of the air by asteroid debris

We need to look for something that could have caused the extinction of dinosaurs (not some dinosaurs).
We eliminate A because it distinguished between herbivorous and carnivorous dinosaurs, and doesn't find the cause of extinction of dinosaurs. Choice B doesn't talk about how the dinosaurs became extinct. Choice C gives us the statistics of the percentage by which the earth's surface is cooled, but doesn't explain the effect on dinosaurs further. Choice D talks about the asteroid striking many of the dinosaurs, but it doesn't address all dinosaurs. Choice E is best because it gives us a plausible explanation how the dinosaurs could have become extinct.
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But there’s something in me that just keeps going on. I think it has something to do with tomorrow, that there is always one, and that everything can change when it comes.
http://aimingformba.blogspot.com

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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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13 Apr 2010, 03:05
Quote:
Q3)Economist: Technology now changes so rapidly that workers need periodic retraining. Such retraining can be efficient only if it allows individual companies to meet their own short-term needs. Hence, large governmental job retraining programs are no longer a viable option in the effort to retrain workers efficiently.
Which one of the following is an assumption required by the economist’s argument?
(A) Workers did not need to be retrained when the pace of technological change was slower than it is currently.
(B) Large job retraining programs will be less efficient than smaller programs if the pace of technological change slows.
(C) No single type of retraining program is most efficient at retraining technological workers.
(D) Large governmental job retraining programs do not meet the short-term needs of different individual companies.
(E) Technological workers are more likely now than in the past to move in order to find work for which they are already trained.

The author assumes that the govt. training programs and the individual company training requirements do not match. If they did, it would be a good move to continue with the govt. job retraining programs. All other options are out of scope. They do not address the assumption made about govt. retraining programs.
_________________

But there’s something in me that just keeps going on. I think it has something to do with tomorrow, that there is always one, and that everything can change when it comes.
http://aimingformba.blogspot.com

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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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13 Apr 2010, 03:41
Question2 its E...
Q3) Im not sure wat u opted for !!
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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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13 Apr 2010, 03:45
Sorry, I chose D for Q3.
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But there’s something in me that just keeps going on. I think it has something to do with tomorrow, that there is always one, and that everything can change when it comes.
http://aimingformba.blogspot.com

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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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13 Apr 2010, 04:52
Yeah Q3 is D

Thanku for the explanations
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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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13 Apr 2010, 09:36
I'm able to cut down options to A & E.

Still confused which one to choose, but will go with E

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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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13 Apr 2010, 09:42
Q2: E

Q3: D

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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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13 Apr 2010, 10:22
[Reveal] Spoiler:
OA: DED
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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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13 Apr 2010, 10:28
Second Set of Questions

Quote:
Q4)Samuel is obviously a bad fisherman. During the past season, in which he and the five members of his team spent four months on a boat together off Dutch Harbor, AK, he caught fewer fish than any of his teammates.
Which of the following, if true, most weakens the argument above?
A) Two seasons ago, Samuel fished on another boat off Dutch Harbor and caught more fish than any other member of that boat.
B) Before becoming a fisherman, Samuel piloted a fishing boat whose members regularly caught record numbers of fish.
C) While fishing this past season, Samuel fell sick for a week and did not catch any fish during this time.
D) Unlike the other fishermen on his boat, at the order of the captain, Samuel fished this past season with experimental bait.
E) Amongst the fishing community in Dutch Harbor, Samuel has a reputation for being an especially bad fisherman.

Quote:
Q5Mystery stories often feature a brilliant detective and the detective’s dull companion. Clues are presented in the story, and the companion wrongly infers an inaccurate solution to the mystery using the same clues that the detective uses to deduce the correct solution. Thus, the author’s strategy of including the dull companion gives readers a chance to solve the mystery while also diverting them from the correct solution.
Which one of the following is most strongly supported by the information above?
(A) Most mystery stories feature a brilliant detective who solves the mystery presented in the story.
(B) Mystery readers often solve the mystery in a story simply by spotting the mistakes in the reasoning of the detective’s dull companion in that story.
(C) Some mystery stories give readers enough clues to infer the correct solution to the mystery.
(D) The actions of the brilliant detective in a mystery story rarely divert readers from the actions of the detective’s dull companion.
(E) The detective’s dull companion in a mystery story generally uncovers the misleading clues that divert readers from the mystery’s correct solution.
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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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13 Apr 2010, 18:03
Quote:
Q6)Policy analyst: Increasing the size of a police force is only a stopgap method of crime prevention. It does not get at the root causes of crime. Therefore, city officials should not respond to rising crime rates by increasing the size of their city’s police force.
The flawed reasoning in which one of the following arguments most closely resembles the flawed reasoning in the policy analyst’s argument?
(A) Some people think that rules with higher standards than people can live up to, such as those enjoining total honesty, prevent some immoral behavior by giving people a guide to self-improvement. But such rules actually worsen behavior by make people cynical about rules. Thus, societies should not institute overly demanding rules.
(B) Swamps play an important role in allaying the harsh effects of floods because they absorb a great deal of water. Although dams prevent many floods, they worsen the effects of the greatest floods by drying up swamps. Thus dams should not be built.
(C) Although less effective in preventing theft than security guards, burglar alarm systems are more affordable to maintain. Because the greater loss from theft when alarms are used is outweighed by their lower cost, companies are advised always to use burglar alarm systems.
(D) Because taking this drug does not cure the disease for which it is prescribed, but only reduces the disease’s most harmful effects, doctors should not continue to prescribe this drug.
(E) We will never fully understand what causes people to engage in criminal activity. Therefore, we should investigate other ways to improve society’s ability to combat crime
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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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13 Apr 2010, 18:30
was confused between (A) and (D).

But I pick (D) and here is why:

We have to weaken the conclusion that Samuel is a bad fisherman. and he was concluded as bad fisherman because he caught the least number of fishes than any of his teammates. If we can show a reason behind his less number of fishes than that will weaken the conclusion. Option (D) does that by saying that Samuel fished with experimental bait.

Samuel is obviously a bad fisherman. During the past season, in which he and the five members of his team spent four months on a boat together off Dutch Harbor, AK, he caught fewer fish than any of his teammates.
Which of the following, if true, most weakens the argument above?

A) Two seasons ago, Samuel fished on another boat off Dutch Harbor and caught more fish than any other member of that boat.
B) Before becoming a fisherman, Samuel piloted a fishing boat whose members regularly caught record numbers of fish.
C) While fishing this past season, Samuel fell sick for a week and did not catch any fish during this time.
D) Unlike the other fishermen on his boat, at the order of the captain, Samuel fished this past season with experimental bait.
E) Amongst the fishing community in Dutch Harbor, Samuel has a reputation for being an especially bad fisherman.
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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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14 Apr 2010, 00:10
Quote:
Q4)Samuel is obviously a bad fisherman. During the past season, in which he and the five members of his team spent four months on a boat together off Dutch Harbor, AK, he caught fewer fish than any of his teammates.
Which of the following, if true, most weakens the argument above?
A) Two seasons ago, Samuel fished on another boat off Dutch Harbor and caught more fish than any other member of that boat.
B) Before becoming a fisherman, Samuel piloted a fishing boat whose members regularly caught record numbers of fish.
C) While fishing this past season, Samuel fell sick for a week and did not catch any fish during this time.
D) Unlike the other fishermen on his boat, at the order of the captain, Samuel fished this past season with experimental bait.
E) Amongst the fishing community in Dutch Harbor, Samuel has a reputation for being an especially bad fisherman.

My choice is D for this one, since we need to find a reason to prove that Samuel is not a bad fisherman when compared to his teammates. So we need to pick a choice in which all other things being equal, what did Samuel lack what his team mates had? Choice D satisfies this answer.
_________________

But there’s something in me that just keeps going on. I think it has something to do with tomorrow, that there is always one, and that everything can change when it comes.
http://aimingformba.blogspot.com

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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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14 Apr 2010, 00:14
Quote:
Q5Mystery stories often feature a brilliant detective and the detective’s dull companion. Clues are presented in the story, and the companion wrongly infers an inaccurate solution to the mystery using the same clues that the detective uses to deduce the correct solution. Thus, the author’s strategy of including the dull companion gives readers a chance to solve the mystery while also diverting them from the correct solution.
Which one of the following is most strongly supported by the information above?
(A) Most mystery stories feature a brilliant detective who solves the mystery presented in the story.
(B) Mystery readers often solve the mystery in a story simply by spotting the mistakes in the reasoning of the detective’s dull companion in that story.
(C) Some mystery stories give readers enough clues to infer the correct solution to the mystery.
(D) The actions of the brilliant detective in a mystery story rarely divert readers from the actions of the detective’s dull companion.
(E) The detective’s dull companion in a mystery story generally uncovers the misleading clues that divert readers from the mystery’s correct solution.

Choice B supports the highlighted conclusion (Readers get a chance to solve the mystery).
_________________

But there’s something in me that just keeps going on. I think it has something to do with tomorrow, that there is always one, and that everything can change when it comes.
http://aimingformba.blogspot.com

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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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14 Apr 2010, 01:23
Quote:
Q6)Policy analyst: Increasing the size of a police force is only a stopgap method of crime prevention. It does not get at the root causes of crime. Therefore, city officials should not respond to rising crime rates by increasing the size of their city’s police force.
The flawed reasoning in which one of the following arguments most closely resembles the flawed reasoning in the policy analyst’s argument?
(A) Some people think that rules with higher standards than people can live up to, such as those enjoining total honesty, prevent some immoral behavior by giving people a guide to self-improvement. But such rules actually worsen behavior by make people cynical about rules. Thus, societies should not institute overly demanding rules.
(B) Swamps play an important role in allaying the harsh effects of floods because they absorb a great deal of water. Although dams prevent many floods, they worsen the effects of the greatest floods by drying up swamps. Thus dams should not be built.
(C) Although less effective in preventing theft than security guards, burglar alarm systems are more affordable to maintain. Because the greater loss from theft when alarms are used is outweighed by their lower cost, companies are advised always to use burglar alarm systems.
(D) Because taking this drug does not cure the disease for which it is prescribed, but only reduces the disease’s most harmful effects, doctors should not continue to prescribe this drug.
(E) We will never fully understand what causes people to engage in criminal activity. Therefore, we should investigate other ways to improve society’s ability to combat crime

My choice is D for this one. We have a problem and a solution that doesn't fully address the problem and the argument given is that we shouldn't apply the solution because it is only a temporary means to prevent the problem. Choice D fits this reasoning.
_________________

But there’s something in me that just keeps going on. I think it has something to do with tomorrow, that there is always one, and that everything can change when it comes.
http://aimingformba.blogspot.com

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Joined: 01 Oct 2009
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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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14 Apr 2010, 01:35
Q5 is not B
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Re: 3CR a Day,Keeps CR Fear Away [#permalink]

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14 Apr 2010, 03:08
Q5. Option E
Option B is not strongly supported the mention of 'Mystery readers often solve the mystery' is nowhere indicated in the question.

Q6. Option D although I am totally convinced for this option but by POE this seems a better choice.
Re: 3CR a Day,Keeps CR Fear Away   [#permalink] 14 Apr 2010, 03:08

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