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Four men and three women make up a seven-member committee

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Four men and three women make up a seven-member committee [#permalink] New post 14 Jul 2013, 11:12
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  55% (medium)

Question Stats:

40% (02:10) correct 59% (01:06) wrong based on 124 sessions
Four men and three women make up a seven-member committee. The committee has one male captain and one female captain. If all seven committee members are seated in a straight row of seven chairs, does at least one man sit next to another man?

(1) No woman sits next to another woman.

(2) The captains sit in the first and seventh chairs.

---------

I thought that the answer is E.

Because (1) could be M W M W M W M but also W M M W M W M

and (2) is insufficient since it could also be either M W M W M W M or for example MMMMWWW.

Where is my fallacy here? Seems like I am overlooking something..
[Reveal] Spoiler: OA

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GMAT 1: 640 Q49 V29
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Kudos [?]: 526 [1] , given: 197

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Re: Four men and three women make up a seven-member committee [#permalink] New post 14 Jul 2013, 11:15
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TheGerman wrote:
Four men and three women make up a seven-member committee. The committee has one male captain and one female captain. If all seven committee members are seated in a straight row of seven chairs, does at least one man sit next to another man?

(1) No woman sits next to another woman.

(2) The captains sit in the first and seventh chairs.

---------

I thought that the answer is E.

Because (1) could be M W M W M W M but also W M M W M W M

and (2) is insufficient since it could also be either M W M W M W M or for example MMMMWWW.

Where is my fallacy here? Seems like I am overlooking something..


for second statement...both captain sit in first and last chair...but
M W M W M W M===>this you assumed wrong....either one side must be 1 women captain.

hope it helps
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GMAT RCs VOCABULARY LIST: vocabulary-list-for-gmat-reading-comprehension-155228.html
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Re: Four men and three women make up a seven-member committee [#permalink] New post 14 Jul 2013, 11:19
shaileshmishra wrote:
TheGerman wrote:
Four men and three women make up a seven-member committee. The committee has one male captain and one female captain. If all seven committee members are seated in a straight row of seven chairs, does at least one man sit next to another man?

(1) No woman sits next to another woman.

(2) The captains sit in the first and seventh chairs.

---------

I thought that the answer is E.

Because (1) could be M W M W M W M but also W M M W M W M

and (2) is insufficient since it could also be either M W M W M W M or for example MMMMWWW.

Where is my fallacy here? Seems like I am overlooking something..


for second statement...both captain sit in first and last chair...but
M W M W M W M===>this you assumed wrong....either one side must be 1 women captain.

hope it helps


Yep, ur right, but what about M W M M M W W ? ok.... got it, there s no way two men are not gonna sit next to each other... :-D thx!
_________________

With all the best!

Director
Director
User avatar
Joined: 14 Dec 2012
Posts: 837
Location: India
Concentration: Finance, Real Estate
GMAT 1: 640 Q49 V29
GMAT 2: 670 Q50 V29
GMAT 3: 620 Q49 V26
GMAT 4: 700 Q50 V34
GPA: 3.6
Followers: 37

Kudos [?]: 526 [0], given: 197

GMAT ToolKit User
Re: Four men and three women make up a seven-member committee [#permalink] New post 14 Jul 2013, 11:24
TheGerman wrote:
shaileshmishra wrote:
TheGerman wrote:
Four men and three women make up a seven-member committee. The committee has one male captain and one female captain. If all seven committee members are seated in a straight row of seven chairs, does at least one man sit next to another man?

(1) No woman sits next to another woman.

(2) The captains sit in the first and seventh chairs.

---------

I thought that the answer is E.

Because (1) could be M W M W M W M but also W M M W M W M

and (2) is insufficient since it could also be either M W M W M W M or for example MMMMWWW.

Where is my fallacy here? Seems like I am overlooking something..


for second statement...both captain sit in first and last chair...but
M W M W M W M===>this you assumed wrong....either one side must be 1 women captain.

hope it helps


Yep, ur right, but what about M W M M M W W ? ok.... got it, there s no way two men are not gonna sit next to each other... :-D thx!


see the question is:
does at least one man sit next to another man

according to 2nd statement:
M - - - - - W===>THIS MUCH IS COMPULSORY..
NOW we are left with 5 places....3 men and 2 women....are left....do whatever...there is always a chance that atleast 1 man has to sit next to other...

see..ex...:
M W M W M M W

HOPE I MADE IT CLEAR.
_________________

When you want to succeed as bad as you want to breathe ...then you will be successfull....

GIVE VALUE TO OFFICIAL QUESTIONS...



GMAT RCs VOCABULARY LIST: vocabulary-list-for-gmat-reading-comprehension-155228.html
learn AWA writing techniques while watching video : http://www.gmatprepnow.com/module/gmat- ... assessment
: http://www.youtube.com/watch?v=APt9ITygGss

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Concentration: Entrepreneurship, General Management
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Re: Four men and three women make up a seven-member committee [#permalink] New post 14 Jul 2013, 11:26
Yep, I accidentally overlooked the question :oops: thx!
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Re: Four men and three women make up a seven-member committee [#permalink] New post 14 Jul 2013, 11:27
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Expert's post
Four men and three women make up a seven-member committee. The committee has one male captain and one female captain. If all seven committee members are seated in a straight row of seven chairs, does at least one man sit next to another man?

(1) No woman sits next to another woman.
{M, W, M, W, M, W, M} answer NO.
{M, M, W, M, W, M, W} answer YES.
Not sufficient.

(2) The captains sit in the first and seventh chairs.
{M, X, X, X, X, X, W}
We cannot place 3 remaining M's and 2 remaining W's, so that at least one man does not sit next to another man.
Sufficient.

Answer: B.
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Re: Four men and three women make up a seven-member committee   [#permalink] 14 Jul 2013, 11:27
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Four men and three women make up a seven-member committee

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