GMAT Question of the Day - Daily to your Mailbox; hard ones only

It is currently 24 Apr 2019, 05:07

Close

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Close

Request Expert Reply

Confirm Cancel

Global surveys estimate the earth’s population

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

 
VP
VP
avatar
V
Joined: 30 Jan 2016
Posts: 1016
Reviews Badge CAT Tests
Global surveys estimate the earth’s population  [#permalink]

Show Tags

New post Updated on: 20 Jul 2017, 01:54
2
3
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

81% (01:33) correct 19% (01:42) wrong based on 195 sessions

HideShow timer Statistics

Global surveys estimate the earth’s population of nesting female leatherback turtles has fallen by more than two-thirds in the past 15 years. Any species whose population declines by more than two-thirds in 15 years is in grave danger of extinction, so the leatherback turtle is clearly in danger of extinction.

Which one of the following is an assumption that the argument requires?

(A) The decline in the population of nesting female leatherback turtles is proportional to the decline in the leatherback turtle population as a whole.

(B) If the global population of leatherback turtles falls by more than two-thirds over the next 15 years, the species will eventually become extinct.

(C) The global population of leatherback turtles consists in roughly equal numbers of females and males.

(D) Very few leatherback turtles exist in captivity.

(E) The only way to ensure the continued survival of leatherback turtles in the wild is to breed them in captivity.

Source: LSAT

_________________
Non progredi est regredi

Originally posted by Akela on 19 Jul 2017, 09:41.
Last edited by Akela on 20 Jul 2017, 01:54, edited 1 time in total.
Manager
Manager
avatar
P
Joined: 14 Oct 2015
Posts: 249
GPA: 3.57
Reviews Badge
Re: Global surveys estimate the earth’s population  [#permalink]

Show Tags

New post 19 Jul 2017, 10:05
Akela wrote:
Global surveys estimate the earth’s population of nesting female leatherback turtles has fallen by more than two-thirds in the past 15 years. Any species whose population declines by more than two-thirds in 15 years is in grave danger of extinction, so the leatherback turtle is clearly in danger of extinction.

Which one of the following is an assumption that the argument requires?

(A) The decline in the population of nesting female leatherback turtles is proportional to the decline in the leatherback turtle population as a whole.

(B) If the global population of leatherback turtles falls by more than two-thirds over the next 15 years, the species will eventually become extinct.

(C) The global population of leatherback turtles consists in roughly equal numbers of females and males.

(D) Very few leatherback turtles exist in captivity.

(E) The only way to ensure the continued survival of leatherback turtles in the wild is to breed them in captivity.

Source: LSAT

Like this post -> press+1 kudos
press +1 kudos -> like this post ;)



Clearly A. Didn't even have to check the remaining options.

Applying negation test.

Nesting female leatherback turtle population has fallen. The decline in the population of nesting female leatherback turtles is NOT proportional to the decline in the leatherback turtle population as a whole..... so the leatherback turtle is clearly in danger of extinction.

This has broken the argument.
_________________
Please hit Kudos if this post helped you inch closer to your GMAT goal.
Procrastination is the termite constantly trying to eat your GMAT tree from the inside.
There is one fix to every problem, working harder!
Intern
Intern
avatar
B
Joined: 22 Oct 2016
Posts: 22
Re: Global surveys estimate the earth’s population  [#permalink]

Show Tags

New post 22 Jul 2017, 23:32
Can someone explain why B is not correct.

"Any species whose population declines by more than two-thirds in 15 years is in grave danger of extinction". If option B is negated, it clearly calls for a doubt in the conclusion.

_________________
Regards,
Sarugiri
Manager
Manager
User avatar
G
Joined: 10 Mar 2016
Posts: 106
Location: India
Concentration: Finance, Real Estate
GMAT 1: 550 Q44 V23
Premium Member
Re: Global surveys estimate the earth’s population  [#permalink]

Show Tags

New post 23 Jul 2017, 20:00
B is incorrect because it states about the future.
It does not connect female turtles with the turtles as a whole.
The decline is given only for the female turtles not for all the turtles.
The assumption here should be that population of female= population as a whole.
I think you assumed that it is a MUST BE TRUE question....
_________________
Please Hit Kudos if you like my post useful.
GMAT Club Bot
Re: Global surveys estimate the earth’s population   [#permalink] 23 Jul 2017, 20:00
Display posts from previous: Sort by

Global surveys estimate the earth’s population

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  


cron
Copyright

GMAT Club MBA Forum Home| About| Terms and Conditions and Privacy Policy| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.