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Old Sunday, November 11, 2012
hamdanaslam hamdanaslam is offline
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Quote:
Originally Posted by plethora View Post
This question came in SBOTS and was repeated in this test too
senoirs please solve this problem with detail:

it takes 30 days to fill a laboratory dish with bacteria. if the size of the bacteria doubles each day, how long did it take the bacteria to fill one half of the dish?

a. 10 days
b. 15 days
c. 24 days
d. 29 days
e. 29.5 days

this is the question ..i just read it on GMAT book
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