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# Last year the worldwide paper industry used over twice as much fresh

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Director
Joined: 29 Oct 2004
Posts: 809
Last year the worldwide paper industry used over twice as much fresh  [#permalink]

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Updated on: 29 Apr 2018, 04:39
8
00:00

Difficulty:

55% (hard)

Question Stats:

62% (01:19) correct 38% (01:41) wrong based on 253 sessions

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Last year the worldwide paper industry used over twice as much fresh pulp (pulp made directly from raw plant fibers) as recycled pulp (pulp made from wastepaper). A paper-industry analyst has projected that by 2010 the industry will use at least as much recycled pulp annually as it does fresh pulp, while using a greater quantity of fresh pulp than it did last year.

If the information above is correct and the analyst's projections prove to be accurate, which of the following projections must also be accurate?

(A) In 2010 the paper industry will use at least twice as much recycled pulp as it did last year.

(B) In 2010 the paper industry will use at least twice as much total pulp as it did last year.

(C) In 2010 the paper industry will produce more paper from a given amount of pulp than it did last year.

(D) As compared with last year, in 2010 the paper industry will make more paper that contains only recycled pulp.

(E) As compared with last year, in 2010 the paper industry will make less paper that contains only fresh pulp.

Originally posted by qhoc0010 on 17 Jan 2005, 14:28.
Last edited by hazelnut on 29 Apr 2018, 04:39, edited 2 times in total.
Director
Joined: 19 Nov 2004
Posts: 537
Location: SF Bay Area, USA
Re: Last year the worldwide paper industry used over twice as much fresh  [#permalink]

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17 Jan 2005, 15:28
1
Here is my explanation:

Last Year's Fresh Pulp > 2Last Year's Recycled Pulp

Therefore at maximum recyled pulp use,
Last Year's Recycled Pulp = Last Year's Fresh Pulp/2 - (1)

2010 Fresh pulp <= 2010 Recyled pulp -(2)
2010 Fresh pulp >= Last Year's Fresh pulp - (3)

(1) and (2) and (3) confirm answer A
Director
Joined: 03 Nov 2004
Posts: 823
Re: Last year the worldwide paper industry used over twice as much fresh  [#permalink]

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18 Jan 2005, 08:11
qhoc, can you post the explanation for this one
Director
Joined: 29 Oct 2004
Posts: 809
Re: Last year the worldwide paper industry used over twice as much fresh  [#permalink]

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18 Jan 2005, 10:27
There is no OE, but nocilis's is good.
Intern
Joined: 29 Mar 2011
Posts: 9
Re: Last year the worldwide paper industry used over twice as much fresh  [#permalink]

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21 Aug 2011, 07:19
Shouldn't D be correct by the same logic by which A is correct.
How do you chose A and not D.
Manager
Joined: 16 Oct 2011
Posts: 95
Location: United States
Re: Last year the worldwide paper industry used over twice as much fresh  [#permalink]

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19 Nov 2011, 04:45
suyash wrote:
Shouldn't D be correct by the same logic by which A is correct.
How do you chose A and not D.

However, A assumes that even in 2010, the amount of paper produced from fresh pulp will be the same as the previous year.

A is a bit better...
Manager
Joined: 06 Jul 2011
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Re: Last year the worldwide paper industry used over twice as much fresh  [#permalink]

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22 May 2013, 16:09
I got D,A is the correct answer.Pretty subtle difference I must say.
Manager
Joined: 20 Jul 2012
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Location: India
WE: Information Technology (Computer Software)
Re: Last year the worldwide paper industry used over twice as much fresh  [#permalink]

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15 Jun 2014, 06:23
qhoc0010 wrote:
Last year the worldwide paper industry used over
twice as much fresh pulp (pulp made directly from
raw plant fibers) as recycled pulp (pulp made from
wastepaper). A paper-industry analyst has projected
that by 2010 the industry will use at least as much
recycled pulp annually as it does fresh pulp, while
using a greater quantity of fresh pulp than it did last
year.
If the information above is correct and the analystâ€™s
projections prove to be accurate, which of the
following projections must also be accurate?
(A) In 2010 the paper industry will use at least twice
as much recycled pulp as it did last year.
(B) In 2010 the paper industry will use at least twice
as much total pulp as it did last year.
(C) In 2010 the paper industry will produce more
paper from a given amount of pulp than it did last
year.
(D) As compared with last year, in 2010 the paper
industry will make more paper that contains only
recycled pulp.
(E) As compared with last year, in 2010 the paper
industry will make less paper that contains only
fresh pulp.

down to A and D. Couldn't eliminate either.. can someone explain why D is incorrect?
Manager
Joined: 11 Jun 2014
Posts: 56
Concentration: Technology, Marketing
GMAT 1: 770 Q50 V45
WE: Information Technology (Consulting)
Re: Last year the worldwide paper industry used over twice as much fresh  [#permalink]

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15 Jun 2014, 07:52
I think 'D' would not be right because, even though the quantity of recycled pulp used doubles, we cannot assume that papers are made exclusively out of the recycled pulp. Nowhere does it say that papers are made exclusively out one or the other pulp.Only overall quantity used by the industry is mentioned. Its very likely that the pulps are mixed(not necessarily, but we cannot assume one way or the other, i.e D is not perfectly true).
Manager
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Re: Last year the worldwide paper industry used over twice as much fresh  [#permalink]

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16 Jun 2014, 08:23
1
Choices C, D, and E talk about the production of paper, whereas the argument only talks about how paper was made.
We either quickly eliminate those choices, or take a closer look at them later since Choices A and B talk of the premises, directly.

I think with these types of Inference Qs, creating quick variables can be helpful.
I'll tack onto what Nocilis did back in ancient times:

Last Year: FP > 2x RP > x
2010: RP is > or = FP, FP >2x ----------> RP > 2x

2010 RP is at least 2 times greater than Last Year's RP.

Hence, Choice A.
Manager
Joined: 28 Apr 2014
Posts: 235
Re: Last year the worldwide paper industry used over twice as much fresh  [#permalink]

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16 Jun 2014, 21:32
sshrivats wrote:
I think 'D' would not be right because, even though the quantity of recycled pulp used doubles, we cannot assume that papers are made exclusively out of the recycled pulp. Nowhere does it say that papers are made exclusively out one or the other pulp.Only overall quantity used by the industry is mentioned. Its very likely that the pulps are mixed(not necessarily, but we cannot assume one way or the other, i.e D is not perfectly true).

The only sound reason by which I think D is not correct , is , if D is correct then E also has to be correct and GMAT question can't have two answers.
Manager
Joined: 03 May 2015
Posts: 226
Location: South Africa
GPA: 3.49
WE: Web Development (Insurance)
Re: Last year the worldwide paper industry used over twice as much fresh  [#permalink]

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02 Jun 2016, 03:46
qhoc0010 wrote:
Last year the worldwide paper industry used over
twice as much fresh pulp (pulp made directly from
raw plant fibers) as recycled pulp (pulp made from
wastepaper). A paper-industry analyst has projected
that by 2010 the industry will use at least as much
recycled pulp annually as it does fresh pulp, while
using a greater quantity of fresh pulp than it did last
year.
If the information above is correct and the analystâ€™s
projections prove to be accurate, which of the
following projections must also be accurate?
(A) In 2010 the paper industry will use at least twice
as much recycled pulp as it did last year.
(B) In 2010 the paper industry will use at least twice
as much total pulp as it did last year.
(C) In 2010 the paper industry will produce more
paper from a given amount of pulp than it did last
year.
(D) As compared with last year, in 2010 the paper
industry will make more paper that contains only
recycled pulp.
(E) As compared with last year, in 2010 the paper
industry will make less paper that contains only
fresh pulp.

For the people worried about option D :

As compared with last year, in 2010 the paper
industry will make more paper that contains only
recycled pulp.

The catch word is ONLY. The passage says nothing about paper made only from recycled pulp ( Maybe it's not even possible.... We don't know). Maybe Recycled pulp is used in conjunction with some amount of fresh pulp for most products.
_________________

Kudos if I helped

Intern
Joined: 07 May 2015
Posts: 32
Re: Last year the worldwide paper industry used over twice as much fresh  [#permalink]

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28 Nov 2016, 06:31
qhoc0010 wrote:
Last year the worldwide paper industry used over
twice as much fresh pulp (pulp made directly from
raw plant fibers) as recycled pulp (pulp made from
wastepaper). A paper-industry analyst has projected
that by 2010 the industry will use at least as much
recycled pulp annually as it does fresh pulp, while
using a greater quantity of fresh pulp than it did last
year.
If the information above is correct and the analystâ€™s
projections prove to be accurate, which of the
following projections must also be accurate?
(A) In 2010 the paper industry will use at least twice
as much recycled pulp as it did last year.
(B) In 2010 the paper industry will use at least twice
as much total pulp as it did last year.
(C) In 2010 the paper industry will produce more
paper from a given amount of pulp than it did last
year.
(D) As compared with last year, in 2010 the paper
industry will make more paper that contains only
recycled pulp.
(E) As compared with last year, in 2010 the paper
industry will make less paper that contains only
fresh pulp.

Last Year, Fresh Pulp = 2x & Recycled Plup = x ; Total = 3x
By 2010, Fresh Pulp = y & Recycled Plup = y; Total = 2y
Given, that while using a greater quantity of fresh pulp in 2010 than it did last year. => y>2x

Option A: In 2010 the paper industry will use at least twice as much recycled pulp as it did last year.
y >= 2x (supported by above derivation)
Option B: In 2010 the paper industry will use at least twice as much total pulp as it did last year.
2y >= 2(3x)
2y >= 6x
y >= 3x (not sure, not supported by above derivation)
Option C, D, E - Out of scope

Please correct me if my understanding is incorrect. TIA.
Manager
Joined: 20 Jun 2017
Posts: 85
GMAT 1: 570 Q49 V19
Re: Last year the worldwide paper industry used over twice as much fresh  [#permalink]

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01 Sep 2018, 06:07
Last year
let recycled pulp be x
let fresh pulp be 2x

2010
let fresh pulp be 2.1x (fresh pulp in 2010 > fresh pulp last year i.e. 2.1x > 2x)
let recycled pulp be 2.1x or > 2.1x
Option C, D and E are out as they venture outside the scope of the argument by talking about the quantity of paper produced.
Now lets look at B - total pulp in 2010 is 4.2x or > 4.2x whereas total pulp last year is 3x and 4.2x is not two times 3x hence B goes out and A it is which clearly says that recycled pulp in 2010 is 2.1x or > 2.1x and recycled pulp in the last year was x.
Re: Last year the worldwide paper industry used over twice as much fresh &nbs [#permalink] 01 Sep 2018, 06:07
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