It is currently 23 Mar 2018, 07:46

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

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

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

According to surveys by the National Institute on Drug

Author Message
Senior Manager
Joined: 31 Jul 2008
Posts: 280
According to surveys by the National Institute on Drug [#permalink]

Show Tags

21 Aug 2008, 20:48
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

HideShow timer Statistics

According to surveys by the National Institute on Drug Abuse, about 20 percent of young adults used cocaine in 1979, doubling those reported in the 1977 survey.

(A) doubling those reported in the 1977 survey
(B) to double the number the 1977 survey reported
(C) twice those the 1977 survey reported
(D) twice as much as those reported in the 1977 survey
(E) twice the number reported in the 1977 survey

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Intern
Joined: 21 Aug 2008
Posts: 4

Show Tags

21 Aug 2008, 21:15
Ans should be D i feel coz of idiom saying x as much as y.
Director
Joined: 14 Aug 2007
Posts: 702

Show Tags

21 Aug 2008, 22:41
stallone wrote:
According to surveys by the National Institute on Drug Abuse, about 20 percent of young adults used cocaine in 1979, doubling those reported in the 1977 survey.

(A) doubling those reported in the 1977 survey
(B) to double the number the 1977 survey reported
(C) twice those the 1977 survey reported
(D) twice as much as those reported in the 1977 survey
(E) twice the number reported in the 1977 survey

IMO, E is correct
SVP
Joined: 29 Aug 2007
Posts: 2452

Show Tags

21 Aug 2008, 22:52
stallone wrote:
According to surveys by the National Institute on Drug Abuse, about 20 percent of young adults used cocaine in 1979, doubling those reported in the 1977 survey.

(A) doubling those reported in the 1977 survey
(B) to double the number the 1977 survey reported
(C) twice those the 1977 survey reported
(D) twice as much as those reported in the 1977 survey
(E) twice the number reported in the 1977 survey

E. "twice as much as those" in D should be "twice as many as those" because those (young adult) is countable.
_________________

Gmat: http://gmatclub.com/forum/everything-you-need-to-prepare-for-the-gmat-revised-77983.html

GT

Senior Manager
Joined: 31 Jul 2008
Posts: 280

Show Tags

21 Aug 2008, 23:45
thanks Tiger n others

OA is E

Manager
Joined: 21 Aug 2008
Posts: 191

Show Tags

22 Aug 2008, 05:53
stallone wrote:
thanks Tiger n others

OA is E

Twice is adverb...so 'twice those (adults)' is not a right usage...'tiwce' means two times here. Other thoughts?

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Re: one more SC   [#permalink] 22 Aug 2008, 05:53
Display posts from previous: Sort by