Potentially recyclable

Expert replies

GmatKiss: Legendary Member; Posts: 2789; Joined: Tue Jul 26, 2011 12:19 amFollowed by: 43 members; Location: Chennai, India; Thanked: 206 times; GMAT Score:640

by GmatKiss » Wed Aug 24, 2011 10:59 am

Currently about 70 percent of all urban households recycle some portion of their
garbage, 25 percent more than did ten years ago. This increase can be
attributed , in part , to the fact that a larger portion of the population is now under
the age of 47.
Of the following, which can be most properly inferred from the passage
above?
A. Of those who currently recycle, at least 70 percent recycle less than 25
percent of what is potentially recyclable.
B. Younger people are generally more conscientious about waste disposal
than are older people.
C. People under the age of 47 are more likely to recycle than are their older
counterparts.
D. The overall population has risen by at least 25 percent in the past ten
years.
E. People currently over the age of 47 recycled more often ten years ago.

Mixed with C and E. How to choose?

Source: Beat The GMAT — Critical Reasoning | Wed Aug 24, 2011 10:59 am

arashyazdiha: Master | Next Rank: 500 Posts; Posts: 102; Joined: Tue Mar 08, 2011 3:42 am; Thanked: 2 times

by arashyazdiha » Wed Aug 24, 2011 11:24 am

I go with C, because it states an obvious inference.
But the question is a must be true question. and the stimulus is accepted and the answer choices are suspicious. If you choose E it is like your are finding a flaw in the reasoning of C.Also we don't have any information about the actions of the different generations that were taken in the past. Choosing E means that you have assumed that answers are correct and the stimulus is under suspicion.
Bests
Arash

akhilsuhag: Master | Next Rank: 500 Posts; Posts: 351; Joined: Mon Jul 04, 2011 10:25 pmFollowed by: 4 members; Thanked: 57 times

by akhilsuhag » Wed Aug 24, 2011 2:37 pm

Inference: MUST BE TRUE

FOr E: Their can be a 80 year old, who was 70 ten years back and recycled the same as now.

I hope it helps in clearing your confusion.

Please press "thanks" if you think my post has helped you.. Cheers!!

thestartupguy: Master | Next Rank: 500 Posts; Posts: 150; Joined: Thu May 05, 2011 10:04 amFollowed by: 4 members; Thanked: 5 times

by thestartupguy » Wed Aug 24, 2011 2:41 pm

Why not B?

arashyazdiha: Master | Next Rank: 500 Posts; Posts: 102; Joined: Tue Mar 08, 2011 3:42 am; Thanked: 2 times

by arashyazdiha » Wed Aug 24, 2011 2:49 pm

it is irrelevant.
The stimulus is not about waste disposal it's about recycling

BlindVision: Master | Next Rank: 500 Posts; Posts: 253; Joined: Fri Dec 26, 2008 8:39 pmFollowed by: 1 member; Thanked: 8 times

by BlindVision » Wed Aug 24, 2011 3:53 pm

GmatKiss wrote:Currently about 70 percent of all urban households recycle some portion of their
garbage, 25 percent more than did ten years ago. This increase can be
attributed , in part , to the fact that a larger portion of the population is now under
the age of 47.
Of the following, which can be most properly inferred from the passage
above?
A. Of those who currently recycle, at least 70 percent recycle less than 25
percent of what is potentially recyclable.
B. Younger people are generally more conscientious about waste disposal
than are older people.
C. People under the age of 47 are more likely to recycle than are their older
counterparts.
D. The overall population has risen by at least 25 percent in the past ten
years.
E. People currently over the age of 47 recycled more often ten years ago.

Mixed with C and E. How to choose?

Life is a Test

StoneBlack: Senior | Next Rank: 100 Posts; Posts: 39; Joined: Tue Jul 05, 2011 1:13 am

by StoneBlack » Thu Aug 25, 2011 2:22 am

C should be the answer.

navami: Legendary Member; Posts: 540; Joined: Sat Dec 20, 2008 7:24 pmFollowed by: 6 members; Thanked: 37 times

by navami » Thu Aug 25, 2011 4:53 am

1+ for C.
E slightly sounds contradictory to what has been said in t he passage.

This time no looking back!!!
Navami

GmatKiss: Legendary Member; Posts: 2789; Joined: Tue Jul 26, 2011 12:19 amFollowed by: 43 members; Location: Chennai, India; Thanked: 206 times; GMAT Score:640

by GmatKiss » Thu Aug 25, 2011 5:01 am

OA:C

Good job guys!!

crackinggmat: Senior | Next Rank: 100 Posts; Posts: 79; Joined: Thu Jun 03, 2010 11:58 am; Thanked: 1 times

by crackinggmat » Thu Aug 25, 2011 12:42 pm

In E it says [people over age 47 recycled more 10 yrs back....

consider those people who are presently say 70 yrs old then 10 yrs back they were 60 , and we dont have any info about this age group...hence E is may be or may not be case

Clearly C is the winner

sl750: Master | Next Rank: 500 Posts; Posts: 496; Joined: Tue Jun 07, 2011 5:34 amFollowed by: 1 member; Thanked: 38 times

by sl750 » Sat Aug 27, 2011 7:03 am

Choice C rephrases the conclusion that a larger portion of the population is under 47 and this age group is the reason for the increase in percentage of recycling

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