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Bunuel
A chef is studying a cookbook on the regional flavors of Tuscany. He learns a recipe for pasta sauce in which garlic is added to a tomato base. He predicts that a recipe on the next page to make a different pasta sauce will also call for garlic.

Which of the following most closely parallels the flaw in the cook’s reasoning?


(A) A banker recognizes a counterfeit bill and estimates that one in every thousand transactions will involve a counterfeit bill.

(B) A horse wins a local race, and its owner predicts that the horse will win its next race at the state level.

(C) To generate an overall grade for a collectible trading card, a grader assigns a numerical value to each of four criteria—corners, edges, centering, and surface. He concludes that the next card to earn the same four subgrades will also be assigned the same overall grade.

(D) A restaurant is awarded a Michelin star, but its head chef believes that the restaurant serves better food than other restaurants awarded one Michelin star.

(E) A child learns the pronunciation of “laughter” and reasons that “slaughter” is pronounced with an “f” sound.

 


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(A) A banker recognizes a counterfeit bill and estimates that one in every thousand transactions will involve a counterfeit bill.
INCORRECT. This is not parallel reasoning. Chef predicts from one pasta recipe that the next one will share a common ingredient, but banker estimates with given data.

(B) A horse wins a local race, and its owner predicts that the horse will win its next race at the state level.
INCORRECT Although there is a prediction involved here the scenarios are different because the Chef here is studying a recipe book, but the owner bases his prediction completely from prior circumstance.

(C) To generate an overall grade for a collectible trading card, a grader assigns a numerical value to each of four criteria—corners, edges, centering, and surface. He concludes that the next card to earn the same four subgrades will also be assigned the same overall grade.
INCORRECT. Like B the scenario here is slightly different. The Chef bases his judgment oh his study of prior recipe. The grader does not do such thing.

(D) A restaurant is awarded a Michelin star, but its head chef believes that the restaurant serves better food than other restaurants awarded one Michelin star.
INCORRECT. This does not follow parallel reasoning. This one says the chef believes in that the restaurant serves better food than other restaurants awarded one Michelin star. This seems to be just an opinion, here he shares just a thought and does not base his opinion to any fact.


(E) A child learns the pronunciation of “laughter” and reasons that “slaughter” is pronounced with an “f” sound.
CORRECT. This exactly follows the logic of the given argument. Here both the child is learning and the chef is studying a new thing and both mistakenly thinks that just like one thing they recently learnt, the next thing will follow same rule of structure and semantics as what they have learnt.
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Given: A chef is studying a cookbook on the regional flavors of Tuscany. He learns a recipe for pasta sauce in which garlic is added to a tomato base. He predicts that a recipe on the next page to make a different pasta sauce will also call for garlic.

Cook's reasoning: The cook assumes that all pasta sauces will contain garlic after he leasns a recipe for pasta sauce containing garlic.

Asked: Which of the following most closely parallels the flaw in the cook’s reasoning?


Quote:
(A) A banker recognizes a counterfeit bill and estimates that one in every thousand transactions will involve a counterfeit bill.
The reasoning differnce from the cook's reasoning since after recognizing a counterfeit bill, the banker does not assume the next bill to be a counterfeit one.
Incorrect

Quote:
(B) A horse wins a local race, and its owner predicts that the horse will win its next race at the state level.
The horse owner does not another horse to win the local race as well which parallel's cook's reasoning.
The race are also at different levels.
Incorrect

Quote:
(C) To generate an overall grade for a collectible trading card, a grader assigns a numerical value to each of four criteria—corners, edges, centering, and surface. He concludes that the next card to earn the same four subgrades will also be assigned the same overall grade.
Overall grade may be assigned by a criteria based on four subgrades which will be same for all same four subgrades. There is no assumption for next case after having one case.
This does not match cook's reasoning.
Incorrect

Quote:
(D) A restaurant is awarded a Michelin star, but its head chef believes that the restaurant serves better food than other restaurants awarded one Michelin star.
This does not match cook's reasoning since cook assumes the same content for next pasta sauce after learning one.
In this case, the head chef believes different quality at other restaurants after having experience in one.
Incorrect

Quote:
(E) A child learns the pronunciation of “laughter” and reasons that “slaughter” is pronounced with an “f” sound.
After learning one pronunciation of "laughter" which is pronounced as LAF-TER, the child assumes the pronounciation of "salughter" to be S-LAF-TER with an "f" sound. This matches with cook's reasoning since he assumes the same content for next pasta sauce after learning one.
Correct

IMO E
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A chef is studying a cookbook on the regional flavors of Tuscany. He learns a recipe for pasta sauce in which garlic is added to a tomato base. He predicts that a recipe on the next page to make a different pasta sauce will also call for garlic.

Which of the following most closely parallels the flaw in the cook’s reasoning?

Analysis of the Stimulus. Reasoning flaw is based on perceived similar requirement to get a new result ie, garlic as a 'must' for making pasta sauce. Hence, need to find a similar flaw in reasning

(A) A banker recognizes a counterfeit bill and estimates that one in every thousand transactions will involve a counterfeit bill.
No similarity of key component emphasised..NOT asimilar flaw in reasoning

(B) A horse wins a local race, and its owner predicts that the horse will win its next race at the state level.
Stimulus not based on future prediction..for different levels..rather based on simlar levels

(C) To generate an overall grade for a collectible trading card, a grader assigns a numerical value to each of four criteria—corners, edges, centering, and surface. He concludes that the next card to earn the same four subgrades will also be assigned the same overall grade.
Similar four subgrades will lead to same overall grade..there is no flaw depicted as part of this prompt

(D) A restaurant is awarded a Michelin star, but its head chef believes that the restaurant serves better food than other restaurants awarded one Michelin star.
Comparison is not implied as part of the stimulus..Irrelevant

(E) A child learns the pronunciation of “laughter” and reasons that “slaughter” is pronounced with an “f” sound.
If the component ie, alphabet structure is the same isn two words, it will lead to same pronunciation ie, an “f” sound..It closely resembles the reasoning flaw presented as part of the given stimulus


(E) is the CORRECT answer

Hope this helps..
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The cooker learns a recipe for pasta sauce in which garlic is added to a tomato base
He predicts that a recipe on the next page to make a different pasta sauce will also call for garlic. Just because we are cooking pasta does not necessarily mean that we will be using garlic!
the flaw here is that , we are taking a pattern(pasta sauce) of a situation that leads to a certain result(using garlic on tomato sauce), to conclude that any same pattern of any other situation will lead to the same result

(A) A banker recognizes a counterfeit bill and estimates that one in every thousand transactions will involve a counterfeit bill.
here the pattern is not present, we should have the same pattern in the two situations,
Here, we use the pattern as a conclusion for the second situation, Wrong answer
(B) A horse wins a local race, and its owner predicts that the horse will win its next race at the state level.
Wrong answer, we need to have the same initial pattern on both situations, in order to conclude the conclusion
(C) To generate an overall grade for a collectible trading card, a grader assigns a numerical value to each of four criteria—corners, edges, centering, and surface. He concludes that the next card to earn the same four subgrades will also be assigned the same overall grade.
the flaw here is that , we are taking a pattern(pasta sauce) of a situation that leads to a certain result(using garlic on tomato sauce), to conclude that the same pattern of any other situation will lead to the same result.
Here, we don't have the same pattern. no same pattern at all is described in two different situations, ... Wrogn answer
(D) A restaurant is awarded a Michelin star, but its head chef believes that the restaurant serves better food than other restaurants awarded one Michelin star.
this one, uses a pattern to draw a new conclusion, the logical of the flaw of the initial situation is that we have the same pattern to conclude the same conclusion. (Even if we don't know whether that pattern is sufficient to conclude or do we need other parameters). Wrong answer
(E) A child learns the pronunciation of “laughter” and reasons that “slaughter” is pronounced with an “f” sound.
This is the correct answer.
the child starts from the same pattern that in laughter, "gh" is prounouned f, and then conclude, that a situation similar Slaughter, "gh" is also pronounced "f"
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In this argument, the chef predicts the ingredients of a different sauce will also call for garlic. The chef generalizes that all sauce have garlic in them.

(A) A banker recognizes a counterfeit bill and estimates that one in every thousand transactions will involve a counterfeit bill.

This is incorrect.

(B) A horse wins a local race, and its owner predicts that the horse will win its next race at the state level.

This is close, however there is a change in the race level in this option. Hence will eliminate.

(C) To generate an overall grade for a collectible trading card, a grader assigns a numerical value to each of four criteria—corners, edges, centering, and surface. He concludes that the next card to earn the same four subgrades will also be assigned the same overall grade.

The chef does not think that if garlic is added we are preparing sauce, hence this option is incorrect.

(D) A restaurant is awarded a Michelin star, but its head chef believes that the restaurant serves better food than other restaurants awarded one Michelin star.

I dont suppose this is related anyways.

(E) A child learns the pronunciation of “laughter” and reasons that “slaughter” is pronounced with an “f” sound.

This seems correct. Because the child knows how laughter is pronounced (the components that go in pronunciation), he / she thinks that the same composition applies to another word of the same type.

IMO E
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Bunuel
A chef is studying a cookbook on the regional flavors of Tuscany. He learns a recipe for pasta sauce in which garlic is added to a tomato base. He predicts that a recipe on the next page to make a different pasta sauce will also call for garlic.

Which of the following most closely parallels the flaw in the cook’s reasoning?


(A) A banker recognizes a counterfeit bill and estimates that one in every thousand transactions will involve a counterfeit bill.

(B) A horse wins a local race, and its owner predicts that the horse will win its next race at the state level.

(C) To generate an overall grade for a collectible trading card, a grader assigns a numerical value to each of four criteria—corners, edges, centering, and surface. He concludes that the next card to earn the same four subgrades will also be assigned the same overall grade.

(D) A restaurant is awarded a Michelin star, but its head chef believes that the restaurant serves better food than other restaurants awarded one Michelin star.

(E) A child learns the pronunciation of “laughter” and reasons that “slaughter” is pronounced with an “f” sound.

 


This question was provided for
the GMAT Club World Cup Competition

Compete, Get Better, Win prizes and more

 


So, the flawed reasoning of the chef here is that because 1 recipe in a cookbook has garlic in its pasta sauce, the next one will as well
We need to find an answers which mimics the flawed reasoning of the chef

Let us examine the options:

(A) A banker recognizes a counterfeit bill and estimates that one in every thousand transactions will involve a counterfeit bill.

Banker thinks that one in every thousand will be same, the chef thinks the next one itself. ELIMINATE

(B) A horse wins a local race, and its owner predicts that the horse will win its next race at the state level.

Yes, close one but not really mimicking the chef's logic. ELIMINATE

(C) To generate an overall grade for a collectible trading card, a grader assigns a numerical value to each of four criteria—corners, edges, centering, and surface. He concludes that the next card to earn the same four subgrades will also be assigned the same overall grade.

If it would have said that the next card to come will have the same overall grade, that would have made it a good option but this says that the next one to have these features will get this grade. ELIMINATE

(D) A restaurant is awarded a Michelin star, but its head chef believes that the restaurant serves better food than other restaurants awarded one Michelin star.

Not even close to the logic of the chef. ELIMINATE

(E) A child learns the pronunciation of “laughter” and reasons that “slaughter” is pronounced with an “f” sound.

YES! child learns a pronunciation of laughter with f and thinking that slaughter (a different word) also having laughter should also have an f sound. Similar to the chef, who thought that because 1 recipe had garlic, the next one will too

Answer - E
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