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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] New post 01 Aug 2009, 15:16
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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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Re: According to a recent magazine article, of those office [#permalink] New post 01 Aug 2009, 21:21
will go with B
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Re: According to a recent magazine article, of those office [#permalink] New post 01 Aug 2009, 21:30
my answer is wrong. its not B. have checked OA at some other forum.

so guys push yourself to think little harder

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Re: According to a recent magazine article, of those office [#permalink] New post 01 Aug 2009, 23:51
I guess C
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Re: According to a recent magazine article, of those office [#permalink] New post 02 Aug 2009, 00:04
sudeep wrote:
I guess C


why do you think so!
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Re: According to a recent magazine article, of those office [#permalink] New post 02 Aug 2009, 00:41
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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.

IMO C

let set A be the set of people who feel they are more productive at home
let set B be the set of people who work less than 1 hour at home

P(A) = 90%
P(B) = 25%
let P(A union B) = 100%

So.. P(A union B) = P(A) + P(B) - P(A intersect B)
So.. P(A intersect B) = P(A) + P(B) - P(A union B)

So P(A intersect B) >= 90 + 25 - 100 = 15

P(A intersect B) is nothing but 15 percent of the office employees who do not define productivity exclusively in terms of the number of hours worked....It defines productivity both in terms of number of hours worked from home and in terms of number of hours worked less than 1 hour at home.

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Re: According to a recent magazine article, of those office [#permalink] New post 02 Aug 2009, 03:39
c its the only choice whichv cannot reject ...... other talk about productivity n all
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Re: According to a recent magazine article, of those office [#permalink] New post 17 Aug 2009, 10:14
E for easy...

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Re: According to a recent magazine article, of those office [#permalink] New post 17 Aug 2009, 11:08
IMO D..what is the OA
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Re: According to a recent magazine article, of those office [#permalink] New post 17 Aug 2009, 16:25
i thought B would be right but got it wrong. "over 90% ...." so less than 10% is less productive...

good Q.
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Re: According to a recent magazine article, of those office [#permalink] New post 15 Apr 2012, 08:15
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.
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Re: According to a recent magazine article, of those office [#permalink] New post 17 Sep 2012, 09:45
Can somebody tell /guess the difficulty level of this question, I think this would be one of the toughest that I have seen.
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Re: According to a recent magazine article, of those office [#permalink] New post 18 Sep 2012, 02:26
IMO it is C guys. This is more of a mathematical problem.

Eliminate A and E as it is somewhat Out of scope. Now the battle is between B,C and D.

B- makes a brave statement about productivity that is not mentioned or can be inferred.
D-At least 25% can complete the same amount of work in 1hr?? where did they deduce this :shock: from
So the left out choice is C
The OA is C as well.
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Re: According to a recent magazine article, of those office [#permalink] New post 29 Oct 2012, 00:21
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Pure Mathematics.
I have posted a picture too so that conclusion can be drawn easily.
As you can see that R1C1-> atleast 15% feel productive at home, a fact that these people do not define productivity in terms of number of hours worked.
Nice question though MGMAT.
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Re: According to a recent magazine article, of those office [#permalink] New post 14 Jan 2013, 20:24
Hi marcab,

You have applied Overlapping sets to this problem , I must say you will apply management techniques with 100% perfection to real time industrial issues.
Great going.

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Re: According to a recent magazine article, of those office [#permalink] New post 22 Feb 2013, 01:59
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. Generic statement. Passage Scope: those office employees who typically work 8 hours.
b 10 percent of the office employees are less productive working from home than working in their office. Generic statement. Passage Scope: those office employees who typically work 8 hours.
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. OFS. Passage do not mention about the amount of work
e Some of the office employees make statements regarding their productivity that are not in fact true. We can not question the premise


Therefore, IMO C
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According to a recent magazine article, of those office [#permalink] New post 16 Sep 2014, 11:05
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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.


This question uses a very typical method to build a question - paradox.

The form is:
A mentions X
B mentions Y
But, X and Y are different. There must be a GAP between X and Y

The question is built in a very tricky way. First, you need to understand what "productive" is. Productive is working more time OR less time?. In the scope of this question, Productive means employees work MORE time at home than at office.

In short, we have a formula:
MORE TIME = MORE PRODUCTIVE
LESS TIME = LESS PRODUCTIVE


There are two cases.

Case #1: 25 percent of employee actually work less than one hour. It means they work LESS productive at home than at office. ==> 75% of employee work MORE productive

Case #2: over 90 percent of those same office employees believe they are MORE productive working at home than at office.

The difference between 90% and 75% is only explained by the fact that at least 15 percent of the office employees do not define productivity exclusively in terms of the number of hours worked.

Note: "do not define productivity exclusively in terms of the number of hours worked" means some employee do not understand (more time = more productive) OR (less time = more productive). That's why they made up a difference in their responses. This is the ultimate idea the question wants to convey.

Option C says: At least 15 percent of the office employees do not define productivity exclusively in terms of the number of hours worked. ==> CORRECT.
Note: We have "At least" because case #2 says "over 90%...)

Please see file attached to understand the answer more clearly.

Hope it helps.
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According to a recent magazine article, of those office   [#permalink] 16 Sep 2014, 11:05
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