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# Twenty percent of all energy consumed in the United States

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Senior Manager
Joined: 19 Feb 2004
Posts: 413

Kudos [?]: 38 [0], given: 0

Location: Lungi
Twenty percent of all energy consumed in the United States [#permalink]

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01 Apr 2004, 07:24
00:00

Difficulty:

15% (low)

Question Stats:

77% (01:06) correct 23% (01:29) wrong based on 216 sessions

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Twenty percent of all energy consumed in the United States is
consumed by home appliances. If appliances that are twice as energy-
efficient as those currently available are produced, this figure will
eventually be reduced to about ten percent.

The argument above requires which of the following assumptions?

(A) Home-appliance usage would not increase along with the energy
efficiency of the appliances.
(B) It would not be expensive to produce home appliances that are
energyefficient.
(C) Home-appliance manufacturers now have the technology to produce
appliances that are twice as energy-efficient as those currently
available.
(D) The cost of energy to the consumer world rise with increases in
the energy efficiency of home appliances.
(E) The percentage of energy consumed by home appliances will
increase if existing appliances are not replaced by more energy-
efficient models.
[Reveal] Spoiler: OA

Last edited by Vyshak on 11 May 2016, 05:11, edited 1 time in total.

Kudos [?]: 38 [0], given: 0

Senior Manager
Joined: 19 Feb 2004
Posts: 413

Kudos [?]: 38 [0], given: 0

Location: Lungi
Re: Twenty percent of all energy consumed in the United States [#permalink]

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03 Apr 2004, 22:13
OA is A.

Kudos [?]: 38 [0], given: 0

Optimus Prep Instructor
Joined: 06 Nov 2014
Posts: 1905

Kudos [?]: 522 [0], given: 23

Re: Twenty percent of all energy consumed in the United States [#permalink]

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11 May 2016, 05:05
batliwala wrote:
Twenty percent of all energy consumed in the United States is
consumed by home appliances. If appliances that are twice as energy-
efficient as those currently available are produced, this figure will
eventually be reduced to about ten percent.

The argument above requires which of the following assumptions?

(A) Home-appliance usage would not increase along with the energy
efficiency of the appliances.
(B) It would not be expensive to produce home appliances that are
energyefficient.
(C) Home-appliance manufacturers now have the technology to produce
appliances that are twice as energy-efficient as those currently
available.
(D) The cost of energy to the consumer world rise with increases in
the energy efficiency of home appliances.
(E) The percentage of energy consumed by home appliances will
increase if existing appliances are not replaced by more energy-
efficient models.

Home appliances consume 20% of energy in US.
If twice energy efficient appliances are produced, this figure will come down to 10%.

We can conclude this only if the consumption remains the same.
If the consumption increases after the introduction of energy efficient appliance, then the percentage will not decreases.

Correct Option: A
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Kudos [?]: 522 [0], given: 23

Manager
Joined: 09 Sep 2013
Posts: 71

Kudos [?]: 1 [0], given: 8

Re: Twenty percent of all energy consumed in the United States [#permalink]

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15 May 2016, 04:40
This is an assumption question so the conclusion has to be strengthened. What the argument is saying is that change appliance make them efficient then the energy will be saved..

If i prethink i will have answers like- people will use the new items , they have money to replace these

all answers relating to other things are irrelevant.

crux has to be these need to be used.

A says that these are using but the usage behavior is not changing.

hmmm- "BA- BAAM" ourr answer- same usage behavior and the use of these.
save the energy

Kudos [?]: 1 [0], given: 8

Manager
Joined: 09 Sep 2013
Posts: 71

Kudos [?]: 1 [0], given: 8

Re: Twenty percent of all energy consumed in the United States [#permalink]

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15 May 2016, 04:41
This is an assumption question so the conclusion has to be strengthened. What the argument is saying is that change appliance make them efficient then the energy will be saved..

If i prethink i will have answers like- people will use the new items , they have money to replace these

all answers relating to other things are irrelevant.

crux has to be these need to be used.

A says that these are using but the usage behavior is not changing.

hmmm- "BA- BAAM" our answer- same usage behavior and the use of these.
save the energy

Kudos [?]: 1 [0], given: 8

Manager
Joined: 25 Jul 2015
Posts: 108

Kudos [?]: 136 [0], given: 51

Location: Thailand
Concentration: Entrepreneurship, Marketing
GMAT 1: 550 Q37 V28
GMAT 2: 660 Q47 V34
GMAT 3: 650 Q44 V35
GMAT 4: 680 Q49 V32
GMAT 5: 740 Q49 V42
GPA: 3.33
Re: Twenty percent of all energy consumed in the United States [#permalink]

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14 Jun 2016, 03:35
the argument for the stimulus is that the consumption percentage will reduce from 20% to 10% when twice as efficient home appliances are used.

B) irrelevant as it does not talk about energy consumption
C) irrelevant even though it talks about manufacturing the appliances within the argument but it fails to support the reduction in energy consumption
D) irrelevant cost of energy has nothing to do with energy consumption %
E) irrelevant does not support conclusion, argument talks about appliances that are twice as efficient, this one talks about existing home appliances

A) is correct because, if usage remains the same and home appliances become twice as efficient then consumption reduces by half

This is from my understand.
_________________

Kudos [?]: 136 [0], given: 51

Re: Twenty percent of all energy consumed in the United States   [#permalink] 14 Jun 2016, 03:35
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# Twenty percent of all energy consumed in the United States

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