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# According to a recent magazine article, of those office

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According to a recent magazine article, of those office [#permalink]

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10 Mar 2011, 09:59
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According to a recent magazine article, of those office employees who typically work 8 hours at the office each day but sometimes say that they will work at home on a particular day, 25 percent actually work less than one hour. At the same time, over 90 percent of those same office employees believe they are more productive working at home than working in their office.

The statements above, if true, best support which of the following conclusions about the office employees discussed in the article?

a) On average, the office employees working at home for a day work fewer hours than office employees working at the office.
b) 10 percent of the office employees are less productive working from home than working in their office.
c) At least 15 percent of the office employees do not define productivity exclusively in terms of the number of hours worked.
d) At least 25 percent of the office employees can complete the same amount of work in one hour at home as in 8 hours at the office.
e) Some of the office employees make statements regarding their productivity that are not in fact true.

[Reveal] Spoiler: OA
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10 Mar 2011, 10:05
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This is quant question
25% - actually work less than one hour
90% believe they are more productive working at home than working in their office.

25 + 90 = 115. Min overlap = 115 - 100 = 15% (They work less and do not define productivity in terms of 8 hr window)

c) At least 15 percent of the office employees do not define productivity exclusively in terms of the number of hours worked.

kannn wrote:
According to a recent magazine article, of those office employees who typically work 8 hours at the office each day but sometimes say that they will work at home on a particular day, 25 percent actually work less than one hour. At the same time, over 90 percent of those same office employees believe they are more productive working at home than working in their office.

The statements above, if true, best support which of the following conclusions about the office employees discussed in the article?

a) On average, the office employees working at home for a day work fewer hours than office employees working at the office.
b) 10 percent of the office employees are less productive working from home than working in their office.
c) At least 15 percent of the office employees do not define productivity exclusively in terms of the number of hours worked.
d) At least 25 percent of the office employees can complete the same amount of work in one hour at home as in 8 hours at the office.
e) Some of the office employees make statements regarding their productivity that are not in fact true.

Last edited by gmat1220 on 10 Mar 2011, 10:30, edited 1 time in total.
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10 Mar 2011, 10:07
gmat1220 wrote:
This is quant question
25% - actually work less than one hour
90% believe they are more productive working at home than working in their office.

25 + 90 = 115. Min overlap = 115 - 15 = 15% (They work less and do not define productivity in terms of 8 hr window)

c) At least 15 percent of the office employees do not define productivity exclusively in terms of the number of hours worked.

kannn wrote:
According to a recent magazine article, of those office employees who typically work 8 hours at the office each day but sometimes say that they will work at home on a particular day, 25 percent actually work less than one hour. At the same time, over 90 percent of those same office employees believe they are more productive working at home than working in their office.

The statements above, if true, best support which of the following conclusions about the office employees discussed in the article?

a) On average, the office employees working at home for a day work fewer hours than office employees working at the office.
b) 10 percent of the office employees are less productive working from home than working in their office.
c) At least 15 percent of the office employees do not define productivity exclusively in terms of the number of hours worked.
d) At least 25 percent of the office employees can complete the same amount of work in one hour at home as in 8 hours at the office.
e) Some of the office employees make statements regarding their productivity that are not in fact true.

Makes sense. I didn't think of that way (as a quant question). Thanks
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23 Apr 2011, 19:35
My doubt here is as follows:

According to a recent magazine article, of those office employees WHO typically work 8 hours at the office each day but sometimes say that they will work at home on a particular day.

Doesn't this mean that the office employees being discussed in the first place is NOT ALL office employees but only those who typically work 8 hours at the office each day but sometimes say they will work at home on a particular day. What about those office employees who work at the office each day but never mention about working at home on a particular day?
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16 Jun 2011, 01:11
between C and D,

D is a hyperbole assuming a little too much.

C it is.
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23 Jun 2011, 21:49
Ridiculous question
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Re: According to a recent magazine article, of those office [#permalink]

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03 Sep 2012, 09:02
Is it possible for such a question to come up in a actual gmat exam?
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Re: According to a recent magazine article, of those office [#permalink]

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20 Oct 2012, 03:52
this oa has to be wrong, or can someone please point the mistake in my solution.
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25 May 2013, 14:40
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gmat1220 wrote:
This is quant question
25% - actually work less than one hour
90% believe they are more productive working at home than working in their office.

25 + 90 = 115. Min overlap = 115 - 100 = 15% (They work less and do not define productivity in terms of 8 hr window)

c) At least 15 percent of the office employees do not define productivity exclusively in terms of the number of hours worked.

kannn wrote:
According to a recent magazine article, of those office employees who typically work 8 hours at the office each day but sometimes say that they will work at home on a particular day, 25 percent actually work less than one hour. At the same time, over 90 percent of those same office employees believe they are more productive working at home than working in their office.

The statements above, if true, best support which of the following conclusions about the office employees discussed in the article?

a) On average, the office employees working at home for a day work fewer hours than office employees working at the office.
b) 10 percent of the office employees are less productive working from home than working in their office.
c) At least 15 percent of the office employees do not define productivity exclusively in terms of the number of hours worked.
d) At least 25 percent of the office employees can complete the same amount of work in one hour at home as in 8 hours at the office.
e) Some of the office employees make statements regarding their productivity that are not in fact true.

Hey ,
It is true that this is a quant question , and the answer you have picked is correct though, but that is not how the analysis goes.

It says 90% of those same office employees ( i.e 25% of the total employee , who work less than an hr at home ) . Meaning - 90% of the 25% of total employees say they are more productive working at home .
So the calculation goes 90% * 25% = 22.5% of total employees ( notice that you do not need to do this calculation , but just need to realize that this is slightly less than 25% ). Hence option C gives you a far lower value than this i.e 15% and nothing like 22.5% or 23% , so it is obvious and you do not need to calculate.

-Jyothi
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Re: According to a recent magazine article, of those office [#permalink]

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30 May 2013, 05:30
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According to a recent magazine article, of those office employees who typically work 8 hours at the office each day but sometimes say that they will work at home on a particular day, 25 percent actually work less than one hour. At the same time, over 90 percent of those same office employees believe they are more productive working at home than working in their office.

The statements above, if true, best support which of the following conclusions about the office employees discussed in the article?

a) On average, the office employees working at home for a day work fewer hours than office employees working at the office.Only 25 percent work for less than one hour ,nothing is mentioned about the other 75 percent
b) 10 percent of the office employees are less productive working from home than working in their office.90 percent believe ,nothing is mentioned about the other 10 percent
c) At least 15 percent of the office employees do not define productivity exclusively in terms of the number of hours worked.90 percent believe they are more productive and 25 percent work for less than one hour so there is an overlap of atleast 15 percent
d) At least 25 percent of the office employees can complete the same amount of work in one hour at home as in 8 hours at the office.Cant be concluded ,nothing mentioned about the amount of work
e) Some of the office employees make statements regarding their productivity that are not in fact true. Can't conclude ,nothing in the passage supports it
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30 Aug 2013, 20:31
gmacforjyoab wrote:
gmat1220 wrote:
This is quant question
25% - actually work less than one hour
90% believe they are more productive working at home than working in their office.

25 + 90 = 115. Min overlap = 115 - 100 = 15% (They work less and do not define productivity in terms of 8 hr window)

c) At least 15 percent of the office employees do not define productivity exclusively in terms of the number of hours worked.

kannn wrote:
According to a recent magazine article, of those office employees who typically work 8 hours at the office each day but sometimes say that they will work at home on a particular day, 25 percent actually work less than one hour. At the same time, over 90 percent of those same office employees believe they are more productive working at home than working in their office.

The statements above, if true, best support which of the following conclusions about the office employees discussed in the article?

a) On average, the office employees working at home for a day work fewer hours than office employees working at the office.
b) 10 percent of the office employees are less productive working from home than working in their office.
c) At least 15 percent of the office employees do not define productivity exclusively in terms of the number of hours worked.
d) At least 25 percent of the office employees can complete the same amount of work in one hour at home as in 8 hours at the office.
e) Some of the office employees make statements regarding their productivity that are not in fact true.

Hey ,
It is true that this is a quant question , and the answer you have picked is correct though, but that is not how the analysis goes.

It says 90% of those same office employees ( i.e 25% of the total employee , who work less than an hr at home ) . Meaning - 90% of the 25% of total employees say they are more productive working at home .
So the calculation goes 90% * 25% = 22.5% of total employees ( notice that you do not need to do this calculation , but just need to realize that this is slightly less than 25% ). Hence option C gives you a far lower value than this i.e 15% and nothing like 22.5% or 23% , so it is obvious and you do not need to calculate.

-Jyothi

You may have misread "of those same employees" to refer to 25% instead of the overall lot!

25% - 25 work less than 1 hour
90% - 90 find it more productive
Hence - (90+25)-100 = 15 is the overlap, who find it more productive and work less than 1 hour. Hence, these guys do not define productivity in terms of hours as they believe in completing the work rather than completing the required hours.
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31 Aug 2013, 07:33
surya167 wrote:

You may have misread "of those same employees" to refer to 25% instead of the overall lot!

25% - 25 work less than 1 hour
90% - 90 find it more productive
Hence - (90+25)-100 = 15 is the overlap, who find it more productive and work less than 1 hour. Hence, these guys do not define productivity in terms of hours as they believe in completing the work rather than completing the required hours
.

That is just incorrect interpretation . It is 90%of 25%=22.5%. However, option c is correct because it says at least 15%.
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Re: According to a recent magazine article, of those office [#permalink]

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26 Jan 2015, 05:57
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Re: According to a recent magazine article, of those office [#permalink]

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12 May 2015, 04:59
Quant Approach justifies the OA ,but how to decide when to go for this Quant strategy an when not.
In general approach option C "At least 15 percent of the office employees do not define productivity exclusively in terms of the number of hours worked" seems to be lame or out of context.

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Re: According to a recent magazine article, of those office [#permalink]

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23 May 2015, 09:14
Imho this is a poor question. For one, the wording is confusing: 90% of those same office employees SHOULD refer to the 25% who work less than 1 hr from home (based on the proximity of the pronoun to the noun).
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Re: According to a recent magazine article, of those office [#permalink]

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18 Jul 2016, 05:59
How can 90 and 25 be added.. I think this can not be done as its not the same..
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Re: According to a recent magazine article, of those office [#permalink]

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18 Jul 2016, 06:19
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Ruchita1907 wrote:
How can 90 and 25 be added.. I think this can not be done as its not the same..

Hi, Ruchita1907

Let's imagine that we have 100 people in the office.
25 of them work less than 1 hour
and 90 believe that they are more productive at home

Is this possible situation? Yes, because some of these people belong to the both groups. How many?
90 + 25 - 100 = 15
so 15 people work less than 1 hour and think that they more productive at home.
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Re: According to a recent magazine article, of those office [#permalink]

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06 Jan 2017, 05:14
kannn wrote:
According to a recent magazine article, of those office employees who typically work 8 hours at the office each day but sometimes say that they will work at home on a particular day, 25 percent actually work less than one hour. At the same time, over 90 percent of those same office employees believe they are more productive working at home than working in their office.

The statements above, if true, best support which of the following conclusions about the office employees discussed in the article?

a) On average, the office employees working at home for a day work fewer hours than office employees working at the office.
b) 10 percent of the office employees are less productive working from home than working in their office.
c) At least 15 percent of the office employees do not define productivity exclusively in terms of the number of hours worked.
d) At least 25 percent of the office employees can complete the same amount of work in one hour at home as in 8 hours at the office.
e) Some of the office employees make statements regarding their productivity that are not in fact true.

The passage presents information about what office employees who work 8-hour days and who have worked at home told a certain magazine. The first piece of
information is about what some of those office employees actually do: 25 percent of office employees actually work less than an hour on days that they work at
home. The second piece of information is about what some of those office employees believe: 90 percent believe that they are more productive working at
home than at the office. A proper GMAT conclusion must be provable by those two pieces of information.

A . The passage only provides information about the working hours of 25 percent of the office employees. The passage does not provide any information regarding
the working hours of the other 75 percent, hence, it is not possible to conclude anything about the office employees on average. For example, it is possible that
the other 75 percent of the office employees work 14 hour days when working from home. It is also possible that they work 6 hour days when working from home.

B. The passage provides no information about the actual productivity of any of the office employees. It only provides information about what the office

C. 90 percent of the office employees believe that they are more productive at home than at work. At the same time, 25 percent of the office
employees actually work fewer hours when they work at home than when they work at the office. The overlap between these two groups is at least 15 percent of
all of the office employees. This group of employees believes that they are more productive at home than at work and yet this group actually works fewer hours at
home than at work. Thus, these employees must not define productivity exclusively in terms of the number of hours worked. - Correct

D. The passage discusses the actual work hours of 25 percent of the office employees. Then it describes the beliefs of 90 percent of office employees
regarding their productivity. First, there is no necessary link between an individual's beliefs about his or her productivity and that individual’s actual
productivity; hence, no conclusion can be made regarding actual productivity from the information about beliefs. Second, the number of hours worked alone is
not an indication of productivity; it is possible, for example, that an employee who works 1 hour is more productive in terms of work done per hour than when he
works 8 hours and yet that employee might still accomplish more total work when working 8 hours. Therefore, it is not possible to conclude anything regarding
productivity for any of the office employees.

E. The fact that 90 percent of the office employees believe they are more productive at home than at work does not necessarily contradict the fact that 25
percent of the office employees work fewer hours at home than at work. It is possible to work fewer hours and still be more productive.

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Re: According to a recent magazine article, of those office   [#permalink] 06 Jan 2017, 05:14
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