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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]

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New post Updated on: 13 Sep 2017, 08:15
2
21
00:00
A
B
C
D
E

Difficulty:

  95% (hard)

Question Stats:

47% (01:57) correct 53% (01:53) wrong based on 462 sessions

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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..

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Originally posted by TheGerman on 14 Jul 2013, 12:12.
Last edited by abhimahna on 13 Sep 2017, 08:15, edited 1 time in total.
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Re: Four men and three women make up a seven-member committee  [#permalink]

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New post 14 Jul 2013, 12:27
4
4
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]

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New post 14 Jul 2013, 12:15
1
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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Re: Four men and three women make up a seven-member committee  [#permalink]

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New post 14 Jul 2013, 12:19
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!
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Re: Four men and three women make up a seven-member committee  [#permalink]

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New post 14 Jul 2013, 12:24
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.
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learn AWA writing techniques while watching video : http://www.gmatprepnow.com/module/gmat-analytical-writing-assessment
: http://www.youtube.com/watch?v=APt9ITygGss
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Re: Four men and three women make up a seven-member committee  [#permalink]

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New post 14 Jul 2013, 12:26
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]

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New post 09 May 2019, 01:15
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Re: Four men and three women make up a seven-member committee   [#permalink] 09 May 2019, 01:15
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