NEW HERE? LEARN MORE
closeclose
Last visit was: 26 Apr 2024, 03:44 It is currently 26 Apr 2024, 03:44
Decision Tracker
My Rewards
New posts
New comers' posts

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.
Go to My Error Log Learn more
Close
Request Expert Reply
Confirm Cancel

PS

User avatar
FN
Current Student
Joined: 28 Dec 2004
Posts: 1581
Own Kudos [?]: 642 [0]
Given Kudos: 2
Location: New York City
Concentration: Social Enterprise
Schools:Wharton'11 HBS'12
Send PM
PS [#permalink] New post   21 Oct 2005, 10:22
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
Hide Show timer Statistics
please show working



Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Problem Solving (PS) Forum
Still interested in this question? Check out the "Best Topics" block below for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
User avatar
vikramm
Manager
Manager
Joined: 30 Oct 2004
Posts: 156
Own Kudos [?]: 225 [0]
Given Kudos: 0
Send PM
Re: PS [#permalink] New post   21 Oct 2005, 10:48
58 minutes

If after 1 hour the vat was full.. 2 minutes before the vat was half full as each yeast cell breaks into two after two mintues.

Didn't really do any math..simple logic.
User avatar
gsr
Senior Manager
Senior Manager
Joined: 21 Aug 2005
Posts: 396
Own Kudos [?]: 71 [0]
Given Kudos: 0
Send PM
Re: PS [#permalink] New post   21 Oct 2005, 11:30
Yes D (58).
The dimensions are given just to confuse. Otherwise can be done in no time!
User avatar
sudhagar
Manager
Manager
Joined: 02 Oct 2005
Posts: 131
Own Kudos [?]: 176 [0]
Given Kudos: 0
Send PM
Re: PS [#permalink] New post   21 Oct 2005, 13:02
Another mistake in the question is that question mentions Yeast reproduces by dividig every 2 mins. However the explanation says that 4 in 4 mins and 8 in 8 mins. It should be 8 in 6 mins.

Pls post the OA for this.
User avatar
mbaqst
Intern
Intern
Joined: 17 Sep 2005
Posts: 22
Own Kudos [?]: 14 [0]
Given Kudos: 0
Location: California
Send PM
Re: PS [#permalink] New post   21 Oct 2005, 13:11
First off, I think this Q's a bit ambigous!

Problem w/the Q is that it makes us assume "cell divides every 2 mins" as "doubles every 2mins". But the 2nd sentence is saying time and # cells have the "same ratio" meaning #cells double as the time doubles.. note that it says "eight after eight mins" and not "eight after six mins"
With this reasoning I would pick C 30mins

But if we assume "divides every 2mins" then at t-2 the #cells is half. t-2=60-2=58
time(previous+2), #cells (previous*2)
0, 1
2, 2
4, 4
6, 8 (eight after six mins)
8, 16 (sixteen after eight mins)
...

One thing is for sure: vat dimensions are a noise!



Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Problem Solving (PS) Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
GMAT Club Bot
gmatclubot
Re: PS [#permalink]
21 Oct 2005, 13:11
Moderators:
Bunuel
Math Expert
92929 posts
yashikaaggarwal
Senior Moderator - Masters Forum
3137 posts

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne
Main navigation
GMAT Resources
Partners
MBA Resources
www.gmac.com|www.mba.com | | GMAT Club Rules | Terms and Conditions