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All of John's friends say they know

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

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New post 04 May 2011, 04:16
'he is not unique among his friends in this respect.' this statement is the difference between D and E .D can not be inferred from this statement alone , 'most' of john's friends don't have to be different from john to make him 'not unique'.

if only 1 friend is like him , than he is not unique .hence E
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Re: All of John s friends say they know someone who has smoked [#permalink]

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New post 05 May 2011, 08:21
In the group there are some more people apart from John who also don't know such a person.
Thus E fits in perfectly.
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Re: need help in CR to sort out doubt ?? [#permalink]

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New post 03 Jul 2011, 00:44
that was straight forward . all you need to do is to think in terms of a set or venn diagram
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Re: need help in CR to sort out doubt ?? [#permalink]

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New post 03 Jul 2011, 10:54
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aimkp 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) Smoking 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 question is actually not testing our logical thinking so much as it is testing our comfort level in English.

John does not know anyone like that and it is quite certain that he is not unique among his friends in this respect.
<=>
John does not know anyone like that and it is also true that John is not the only one, who doesn't know any such person, among his friends.
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Re: need help in CR to sort out doubt ?? [#permalink]

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New post 03 Jul 2011, 20:43
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Re: need help in CR to sort out doubt ?? [#permalink]

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New post 04 Jul 2011, 11:06
fluke wrote:
aimkp 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) Smoking 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 question is actually not testing our logical thinking so much as it is testing our comfort level in English.

John does not know anyone like that and it is quite certain that he is not unique among his friends in this respect.
<=>
John does not know anyone like that and it is also true that John is not the only one, who doesn't know any such person, among his friends.


Dear Fluke
you nailed it man
even i misses this importance of this 'Unique' word :( :( :(

Thanks god you literally printed my thoughts over here :wink: :wink:
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Re: All of John s friends say they know someone who has smoked [#permalink]

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New post 22 Jul 2011, 17:50
That was a toughie. I will go with E though.
S1: ALL of John's friends know someone who smokes 40cigs a day and is fit.
S2: John does not anyone like that AND is CERTAIN that he is not alone among his friends in that aspect.

This implies that there are some friends who are lying. Otherwise John would not be CERTAIN that he is not alone.
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Re: All of John s friends say they know someone who has smoked [#permalink]

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New post 23 Jul 2011, 13:54
I chose E because at first All of John's friends know someone who smokes 40 cigs a day and so on. But John is NOT unique. Keyword is unique..meaning some of his friends are also in the same position as John. Since *some* of his friends are in the same position as John then that means *some of his friends are lying*
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Re: All of John s friends say they know someone who has smoked [#permalink]

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New post 23 Jul 2011, 21:28
+ 1 E

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

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New post 24 Jul 2011, 08:55
Good One... Nice Explanation

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Re: need help in CR to sort out doubt ?? [#permalink]

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New post 03 Jun 2013, 00:54
metallicafan wrote:
Thanet wrote:
To skovinsky,

My ans is D. Would you explain a little bit why can't it be D?

From my view, What if John is really unique, would the ans is D?
Moreover, the question state quite clear that all of his friends know sbd smoke hard but still healthy.
Since the question is extreme, our answer should extreme too.

thanet


+1 E

Cannot be D because the argument mentions "...he is not unique among his friends in this respect". In this sense, probably there is only one of his friends who is providing wrong information. Thefore, you cannot say that MOST of his friends are not telling the truth.

But it is said "ALl of john's friends " --- why not most in this case ?? Please elaborate

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Re: need help in CR to sort out doubt ?? [#permalink]

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New post 03 Jun 2013, 01:11
ruplun wrote:
metallicafan wrote:
Thanet wrote:
To skovinsky,

My ans is D. Would you explain a little bit why can't it be D?

From my view, What if John is really unique, would the ans is D?
Moreover, the question state quite clear that all of his friends know sbd smoke hard but still healthy.
Since the question is extreme, our answer should extreme too.

thanet


+1 E

Cannot be D because the argument mentions "...he is not unique among his friends in this respect". In this sense, probably there is only one of his friends who is providing wrong information. Thefore, you cannot say that MOST of his friends are not telling the truth.

But it is said "ALl of john's friends " --- why not most in this case ?? Please elaborate


most means > 50%
some means - unspecified amount, but not zero.

From the premises, we cannot be sure that more than 50% of the John's friend are liars, but we can certainly say some are liars. These some can go from 1-99%. 100% would be ALL.
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Re: All of John's friends say they know someone who has smoked [#permalink]

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New post 04 Jun 2013, 03:18
I am not sure if the answer is "E".
My perspective is the passage says that

"All of John's friends say they know someone who has smoked 40 cigarette ... "
and question says

"If the statements in the passage are TRUE .... "

So I assumed that all of John's friends are speaking the truth. This is my perspective. Please correct me if I am wrong.

IMO, answer is B

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

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New post 04 Jun 2013, 07:45
Hi - The key phrase in the question is

say they know someone

I.e. for the passage to be true (as it says) the people just have to have said that they know some one. They don't actually have to have been telling the truth.

So E is the correct answer.

Hope that helps

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

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New post 05 Jun 2013, 00:20
plumber250 wrote:
Hi - The key phrase in the question is

say they know someone

I.e. for the passage to be true (as it says) the people just have to have said that they know some one. They don't actually have to have been telling the truth.

So E is the correct answer.

Hope that helps

James


Thanks James,

That was a blunder from my side. :shock:

Regards,
Arvind

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

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Re: All of John's friends say they know [#permalink]

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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) Smoking 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.
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Re: All of John's friends say they know [#permalink]

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souvik101990 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) Smoking 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.


Found the passage tough. Here's my reasoning
A - is irrelevant to this passage. The passage never talks about what smoke think
B - 'intention' is irrelevant to the passage
C - 'All' is an extreme word and the truth of this answer choice can not be proved beyond reasonable doubt with information in the passage
D - 'Most' (>50%) can not be proved
E - Some (anything between 1 and 100) is OK. This can be proved - as the John says he is not 'unique'. Hence correct answer
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Re: All of John's friends say they know [#permalink]

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New post 26 May 2015, 21:44
gmat2015p wrote:
souvik101990 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) Smoking 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.


Found the passage tough. Here's my reasoning
A - is irrelevant to this passage. The passage never talks about what smoke think
B - 'intention' is irrelevant to the passage
C - 'All' is an extreme word and the truth of this answer choice can not be proved beyond reasonable doubt with information in the passage
D - 'Most' (>50%) can not be proved
E - Some (anything between 1 and 100) is OK. This can be proved - as the John says he is not 'unique'. Hence correct answer



Can you please explain difference between D and E ?
Why most can not be proved and Some can be proved ??
Any expert can help here please?
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Re: All of John's friends say they know   [#permalink] 26 May 2015, 21:44

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