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A certain culture of bacteria quadruples every hour

A certain culture of bacteria quadruples every hour. If a container with these bacteria was half full at 10:00 a.m., at what time was it one-eighth full?

(A) 9:00 a.m.
(B) 7:00 a.m.
(C) 6:00 a.m.
(D) 4:00 a.m.
(E) 2:00 a.m.

Written by Take GMAT Team on May 2nd, 2008 with 7 comments.
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7 comments

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Get your own gravatar by visiting gravatar.com Nrip Nihalani
#1. May 2nd, 2008, at 4:08 PM.

Ans is A 9:00 AM

Get your own gravatar by visiting gravatar.com tat
#2. May 2nd, 2008, at 9:16 PM.

Ans: A9:00am

Get your own gravatar by visiting gravatar.com Deeks
#3. May 3rd, 2008, at 12:53 AM.

A

Get your own gravatar by visiting gravatar.com Abhinav
#4. May 3rd, 2008, at 1:03 PM.

How?

Get your own gravatar by visiting gravatar.com Abhinav
#5. May 3rd, 2008, at 1:15 PM.

sorry..got it..dumb thing

Get your own gravatar by visiting gravatar.com SD
#6. May 5th, 2008, at 3:15 PM.

A

Get your own gravatar by visiting gravatar.com Navya
#7. June 3rd, 2008, at 11:13 AM.

A

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