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How many of the 42 people in a group are employed students

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How many of the 42 people in a group are employed students [#permalink]

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New post 23 Feb 2012, 08:15
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How many of the 42 people in a group are employed students?

(1) 29 of the 42 people are employed.
(2) 24 of the 42 people are students.
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Re: How many of the 42 people in a group are employed students [#permalink]

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New post 23 Feb 2012, 08:38
Expert's post
BANON wrote:
How many of the 42 people in a group are employed students?

(1) 29 of the 42 people are employed.
(2) 24 of the 42 people are students.


It's straight E. Even when taken together we have:

{Total} = {Students} + {Employed} - {Both} + {Neither} --> we want to calculate: {Both}, # of employed students.

{42} = {24} + {29} - {Both} + {Neither} --> {Both} = 11 + {Neither}, since we don't know # of people who are neither employed nor students, we can not answer the question.

Answer: E.

Hope it's clear.
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Re: How many of the 42 people in a group are employed students [#permalink]

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New post 23 Feb 2012, 21:06
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BANON wrote:
How many of the 42 people in a group are employed students?

(1) 29 of the 42 people are employed.
(2) 24 of the 42 people are students.


Simple Sets Question:
No need to solve the question as in these type ,look for the infor that how many are neither both of them. If the Info is not given ,it cannot be solved. Do not waste your time solving these coz you will waste a few extra seconds.
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Re: How many of the 42 people in a group are employed students [#permalink]

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New post 24 Feb 2012, 00:35
Hi

I solved this using tables.

Made it visually easier to figure out that no combination was possible to find the employeed students

PS : You have to use employed / non-employeed & student / non student categories
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Re: How many of the 42 people in a group are employed students [#permalink]

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Re: How many of the 42 people in a group are employed students [#permalink]

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New post 04 Dec 2015, 02:17
No way is this a 600-700 question! This feels really basic! But thanks for sharing anyways!
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Re: How many of the 42 people in a group are employed students [#permalink]

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New post 02 Jul 2016, 04:20
When we combine both the statement, the number 11 is what part of the set?
Re: How many of the 42 people in a group are employed students   [#permalink] 02 Jul 2016, 04:20
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