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# All of John s friends say they know someone who has smoked

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All of John s friends say they know someone who has smoked [#permalink]

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04 Aug 2007, 07:56
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All of John’s friends say they know someone who has smoked 40 cigarettes a day for the past 40 years and yet who is really fit and well. John does not know anyone like that and it is quite certain that he is not unique among his friends in this respect.
If the statements in the passage are true, then which one of the following must also be true?
(A) Smokers often lie about how much they smoke.
(B) People often knowingly exaggerate without intending to lie.
(C) All John’s friends know the same lifelong heavy smoker.
(D) Most of John’s friends are not telling the truth.
(E) Some of John’s friends are not telling the truth.

Last edited by Vlad77 on 06 Aug 2007, 10:30, edited 1 time in total.

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Director
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04 Aug 2007, 08:04
All of John’s friends say they know someone who has smoked 40 cigarettes a day for the past 40 years and yet who is really fit and well. John does not know anyone like that and it is quite certain that he is not unique among his friends in this respect.

If the statements in the passage are true, then which one of the following must also be true?

(A) Smokers often lie about how much they smoke.
(B) People often knowingly exaggerate without intending to lie.
(C) All John’s friends know the same lifelong heavy smoker.
(D) Most of John’s friends are not telling the truth.
(E) Some of John’s friends are not telling the truth.

EEE

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Director
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04 Aug 2007, 13:02
All of John’s friends say they know someone who has smoked 40 cigarettes a day for the past 40 years and yet who is really fit and well. John does not know anyone like that and it is quite certain that he is not unique among his friends in this respect.
If the statements in the passage are true, then which one of the following must also be true?
(A) Smokers often lie about how much they smoke.
(B) People often knowingly exaggerate without intending to lie.
(C) All John’s friends know the same lifelong heavy smoker.
(D) Most of John’s friends are not telling the truth.
(E) Some of John’s friends are not telling the truth.

This is an odd question.
"it is quite certain that he is not unique among his friends in this respect."
I would say the answer is D, although I do not know what the difference with E would be.

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04 Aug 2007, 13:58
i would say E. I ruled 'D' out because 'most' to me implies greater than 50% (for example), and nowhere in the passage does it give us enough information to come to such a strong conclusion. Its fairly safe to say that 'some' is OK though ...

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Intern
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04 Aug 2007, 23:32
Actually I will go with C.

A. Nothing to do with passage
B. Nothing to do with th passage
C. Correct
D. Most can be 90% not ALL
E. Some means (some but not 100%).

The passage states, "All of John’s friends say they know someone"
Then we know that it is unique to have a 40 cig 40 year smoking person.
Thus, we think it is one person b/c ALL of the friends know a person with same background.

Edit: Plus it states: "who is really fit and well." This refers to one person not many. Many would use are.

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05 Aug 2007, 02:49
Actually I will go with C.

A. Nothing to do with passage
B. Nothing to do with th passage
C. Correct
D. Most can be 90% not ALL
E. Some means (some but not 100%).

The passage states, "All of John’s friends say they know someone"
Then we know that it is unique to have a 40 cig 40 year smoking person.
Thus, we think it is one person b/c ALL of the friends know a person with same background.

Edit: Plus it states: "who is really fit and well." This refers to one person not many. Many would use are.

That's pretty good reasoning. I was pondering this answer choice.. C seems more probable than some other choices.

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05 Aug 2007, 04:57
The OA is E.

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05 Aug 2007, 12:48
All of John’s friends say they know someone who has smoked 40 cigarettes a day for the past 40 years and yet who is really fit and well. John does not know anyone like that and it is quite certain that he is not unique among his friends in this respect.
If the statements in the passage are true, then which one of the following must also be true?
(A) Smokers often lie about how much they smoke.
(B) People often knowingly exaggerate without intending to lie.
(C) All John’s friends know the same lifelong heavy smoker.
(D) Most of John’s friends are not telling the truth.
(E) Some of John’s friends are not telling the truth.
'

where did you get this question from? it seems junky to me. here is why:

right of the bat D and E are saying essentially the same thing. If you want to differentiate them, then you could take 'most' to mean 'more than half, but not all'. and then i guess you could think of some as 'less than half but more than none'... but the distinction doesn't serve any purpose in evaluating the argument. Also:

ALL of John's friends say they know someone... smoked.. and fit and well.

when viewed against the other premise of the argument, then ALL of John's friends would be lying. not just some or most.

ALSO:

If the statements in the passage are true, well then they are telling the truth aren't they? Saying i know someone who smokes and is healthy is a statement. The question stem says statements in the stimulus are true.

with that in mind, we must consider that John does not know any smokers that fit this description. So (C) all of John's friends must know this same magical life long smoker, and John must not. LOL.

Please post the source of the question and their official reasoning if you can. If this isn't from ETS I'd say this one is rubbish.

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05 Aug 2007, 12:52
Actually I will go with C.

A. Nothing to do with passage
B. Nothing to do with th passage
C. Correct
D. Most can be 90% not ALL
E. Some means (some but not 100%).

The passage states, "All of John’s friends say they know someone"
Then we know that it is unique to have a 40 cig 40 year smoking person.
Thus, we think it is one person b/c ALL of the friends know a person with same background.

Edit: Plus it states: "who is really fit and well." This refers to one person not many. Many would use are.

no, the grammar is correct. Someone is singular. I agree with C. I would go with D if it said ALL of them were lying... but the stem says all statements are true anyway, so no one is lying.

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Director
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05 Aug 2007, 12:55
anonymousegmat wrote:
All of John’s friends say they know someone who has smoked 40 cigarettes a day for the past 40 years and yet who is really fit and well. John does not know anyone like that and it is quite certain that he is not unique among his friends in this respect.
If the statements in the passage are true, then which one of the following must also be true?
(A) Smokers often lie about how much they smoke.
(B) People often knowingly exaggerate without intending to lie.
(C) All John’s friends know the same lifelong heavy smoker.
(D) Most of John’s friends are not telling the truth.
(E) Some of John’s friends are not telling the truth.
'

where did you get this question from? it seems junky to me. here is why:

right of the bat D and E are saying essentially the same thing. If you want to differentiate them, then you could take 'most' to mean 'more than half, but not all'. and then i guess you could think of some as 'less than half but more than none'... but the distinction doesn't serve any purpose in evaluating the argument. Also:

ALL of John's friends say they know someone... smoked.. and fit and well.

when viewed against the other premise of the argument, then ALL of John's friends would be lying. not just some or most.

ALSO:

If the statements in the passage are true, well then they are telling the truth aren't they? Saying i know someone who smokes and is healthy is a statement. The question stem says statements in the stimulus are true.

with that in mind, we must consider that John does not know any smokers that fit this description. So (C) all of John's friends must know this same magical life long smoker, and John must not. LOL.

Please post the source of the question and their official reasoning if you can. If this isn't from ETS I'd say this one is rubbish.

couldn't agree more!

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Senior Manager
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06 Aug 2007, 07:53
All of John’s friends say they know someone who has smoked 40 cigarettes a day for the past 40 years and yet who is really fit and well. John does not know anyone like that and it is quite certain that he is not unique among his friends in this respect.
If the statements in the passage are true, then which one of the following must also be true?
(A) Smokers often lie about how much they smoke.
(B) People often knowingly exaggerate without intending to lie.
(C) All John’s friends know the same lifelong heavy smoker.
(D) Most of John’s friends are not telling the truth.
(E) Some of John’s friends are not telling the truth.

It is from CR1000 (LSAT section)

I suppose that the trick here in the phrase "it is quite certain that he is not unique among his friends in this respect". If he is not unique that means that some of his friends also does not know this man. Thus, some of John’s friends are not telling the truth (E) !!!

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06 Aug 2007, 10:52
Remember 'some' means 'one or more' so E is the choice that says that atleast one of John's friends is lying...We can be sure of that.

'Most' makes the choice D go out of scope.

So,always be skeptical when u see 'Most' or 'Some'.

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Director
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06 Aug 2007, 10:53
Sorry...Repeated by mistake.

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06 Aug 2007, 10:53
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# All of John s friends say they know someone who has smoked

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