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# Only senior citizens enjoy doing the daily jumble. So Aesha must

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Senior CR Moderator
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Only senior citizens enjoy doing the daily jumble. So Aesha must  [#permalink]

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19 Jun 2017, 03:38
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Difficulty:

35% (medium)

Question Stats:

72% (01:45) correct 28% (01:51) wrong based on 412 sessions

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Only senior citizens enjoy doing the daily jumble. So Aesha must not be a senior citizen, because she does not enjoy doing the daily jumble.

Which of the following arguments exhibits the same flawed reasoning as the above?

A. Only in March does Rodrigo choose to holiday in Spain. It is March, but Rodrigo is in Japan. So he must not be going to Spain.

B. Only a true pet lover could adopt Marley. Thus, since Michael is not adopting Marley, he must not be a true pet lover.

C. Only geologists enjoy the amethyst exhibit at the town fair. So Mr. Franz must not enjoy the amethyst exhibit, because he is not a geologist.

D. Since the animal in front of us is a penguin, it follows that we are in Antarctica, since one only encounters penguins in the wild when one is in Antarctica.

E. Only the best chefs can make compelling vegan escargot. So Rasheed must be able to make compelling vegan escargot, since he is one of the world’s best chefs.

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Re: Only senior citizens enjoy doing the daily jumble. So Aesha must  [#permalink]

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19 Jun 2017, 16:48
B.

Some senior citizens might not enjoy jumbles and some pet lovers might not adopt Marley.
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Re: Only senior citizens enjoy doing the daily jumble. So Aesha must  [#permalink]

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22 Jun 2017, 22:25
Can someone please explain this question in a little detail? How to relate the two situations ? Also Why is option C wrong?
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Re: Only senior citizens enjoy doing the daily jumble. So Aesha must  [#permalink]

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22 Jun 2017, 22:26
Experts please explain why is option C wrong? And how to go about solving such analogy questions?
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Re: Only senior citizens enjoy doing the daily jumble. So Aesha must  [#permalink]

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22 Jun 2017, 23:55
1
Shiv2016 wrote:
Experts please explain why is option C wrong? And how to go about solving such analogy questions?

I'm not an expert but I can try and help.

Only senior citizens enjoy doing the daily jumble. So Aesha must not be a senior citizen, because she does not enjoy doing the daily jumble.
a implies b ---->not b implies not a
Which of the following arguments exhibits the same flawed reasoning as the above?

B. Only a true pet lover could adopt Marley. Thus, since Michael is not adopting Marley, he must not be a true pet lover.a implies b ---->not b implies not a - correct

C. Only geologists enjoy the amethyst exhibit at the town fair. So Mr. Franz must not enjoy the amethyst exhibit, because he is not a geologist.a implies b ---->not a implies not b - reversed and so incorrect
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Re: Only senior citizens enjoy doing the daily jumble. So Aesha must  [#permalink]

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02 Jul 2017, 06:29
this is a mix question. "flaw" here indicates that this is not only logic-error question, but also an application questions.
Only A do B = every B is A
the flaw is not B -> not A

Practice is the best way to cope with different gmat questions.
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Joined: 20 Jun 2017
Posts: 11
Re: Only senior citizens enjoy doing the daily jumble. So Aesha must  [#permalink]

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04 Jul 2017, 01:16
Flaw is senior citizen - > enjoy jumble doesn't imply ~not citizen-> ~ No jumble enjoyment. (flawed contrapositive) Replicated by B.

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Re: Only senior citizens enjoy doing the daily jumble. So Aesha must  [#permalink]

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04 Jul 2017, 09:04
1

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Re: Only senior citizens enjoy doing the daily jumble. So Aesha must  [#permalink]

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22 Jul 2017, 08:26
can someone tell me how to do these kind of questions
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Re: Only senior citizens enjoy doing the daily jumble. So Aesha must  [#permalink]

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14 Oct 2017, 14:24
1
My 2 cents:
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Posts: 50623
Re: Only senior citizens enjoy doing the daily jumble. So Aesha must  [#permalink]

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22 May 2018, 03:01
broall wrote:
Only senior citizens enjoy doing the daily jumble. So Aesha must not be a senior citizen, because she does not enjoy doing the daily jumble.

Which of the following arguments exhibits the same flawed reasoning as the above?

A. Only in March does Rodrigo choose to holiday in Spain. It is March, but Rodrigo is in Japan. So he must not be going to Spain.

B. Only a true pet lover could adopt Marley. Thus, since Michael is not adopting Marley, he must not be a true pet lover.

C. Only geologists enjoy the amethyst exhibit at the town fair. So Mr. Franz must not enjoy the amethyst exhibit, because he is not a geologist.

D. Since the animal in front of us is a penguin, it follows that we are in Antarctica, since one only encounters penguins in the wild when one is in Antarctica.

E. Only the best chefs can make compelling vegan escargot. So Rasheed must be able to make compelling vegan escargot, since he is one of the world’s best chefs.

VERITAS PREP OFFICIAL SOLUTION:

Solution: B

This Mimic the Reasoning question features difficult conditional wording. “Only x does y” can be reworded as “If you do y, then you are x”, a change of phrase that makes the question much easier to solve. “If you enjoy the jumble, you’re a senior citizen” implies two things: 1) if you enjoy the jumble, you’re a senior citizen, and 2) if you aren’t a senior citizen, you don’t enjoy the jumble. It does NOT imply that if you don’t enjoy the jumble, you’re not a senior citizen, so find an answer choice that also employs such faulty logic. (B) is the answer of choice.
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Re: Only senior citizens enjoy doing the daily jumble. So Aesha must &nbs [#permalink] 22 May 2018, 03:01
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