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Laboratory B

Expert replies
by joannabanana » Tue Sep 21, 2010 12:57 pm
Five years ago at Laboratory B, the ratio of doctorate to nondoctorate researchers was 2:3. If no researchers have resigned, what is the current ratio?

(1) In the last 5 years, twice as many doctorates were hired as nondoctorates.

(2) 50 doctorates were hired during the last 5 years.
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Source: — Data Sufficiency |

by joannabanana » Wed Sep 22, 2010 3:43 am
Please help!
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by vinni.k » Sat Jan 26, 2013 3:11 am
joannabanana wrote:Please help!
Hi,

I have been looking for this question and found this old post. Can anyone please explain this question. I am missing a very important concept and not able to get the answer.

Answer is E

Thanks & Regards
Vinni
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