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a certain 1 day seminar consisted of a morning session and

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Current Student
Joined: 11 May 2008
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a certain 1 day seminar consisted of a morning session and [#permalink]

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01 Sep 2008, 18:16
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a certain 1 day seminar consisted of a morning session and afternoon session. if each of the 128 people attending the seminar attended atleast one of the two session,how many attended only the morning session?

1) 3/4th attended both the sessions.

2) 7/8 attended the afternoon session

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Director
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Re: conference problem, GMAT PREP [#permalink]

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01 Sep 2008, 19:51
arjtryarjtry wrote:
a certain 1 day seminar consisted of a morning session and afternoon session. if each of the 128 people attending the seminar attended atleast one of the two session,how many attended only the morning session?

1) 3/4th attended both the sessions.

2) 7/8 attended the afternoon session

B

if 7/8 attended the afternoon session, 1/8 must not have attended the afternoon session, and therefore must have attended the morning session only.

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Joined: 07 Nov 2007
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Re: conference problem, GMAT PREP [#permalink]

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01 Sep 2008, 19:59
gmatnub wrote:
arjtryarjtry wrote:
a certain 1 day seminar consisted of a morning session and afternoon session. if each of the 128 people attending the seminar attended atleast one of the two session,how many attended only the morning session?

1) 3/4th attended both the sessions.

2) 7/8 attended the afternoon session

B

if 7/8 attended the afternoon session, 1/8 must not have attended the afternoon session, and therefore must have attended the morning session only.

You are the Man!!!

agreed
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Director
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Re: conference problem, GMAT PREP [#permalink]

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01 Sep 2008, 20:01
IMO C.

If there are people who attended "both" sessions we will need both 1) and 2)

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Re: conference problem, GMAT PREP [#permalink]

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01 Sep 2008, 20:02
alpha_plus_gamma wrote:
IMO C.

If there are people who attended "both" sessions we will need both 1) and 2)

7/8 th attended afternoon session =only afternoon session attended + attended both sessions.
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Last edited by x2suresh on 01 Sep 2008, 21:01, edited 1 time in total.

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Director
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Re: conference problem, GMAT PREP [#permalink]

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01 Sep 2008, 20:04
Oh oh! gotcha!

Thanks for pointing that out x2suresh.

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Current Student
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Re: conference problem, GMAT PREP [#permalink]

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01 Sep 2008, 20:28
guys, do me a favor...
i deserve

i didnt reckon it was so easy...
man , i mess up easy things...
donno why i couldnt get such a simple thing.
i complicated and dug my own grave.

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Re: conference problem, GMAT PREP   [#permalink] 01 Sep 2008, 20:28
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a certain 1 day seminar consisted of a morning session and

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