power prep--cr : GMAT Critical Reasoning (CR)
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power prep--cr

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Manager
Joined: 13 Aug 2009
Posts: 151
WE 1: 4 years in IT
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28 Feb 2010, 09:22
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power prep--cr
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Manager
Joined: 03 Feb 2010
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28 Feb 2010, 13:06
Ans : C.

profit per dollar of sales for
pharma company = 40/20 = 2.0 .
and , chemical = (100-40)/(100-20) = 60/80 < 2.0 .

so the option C can be properly inferred.
for rets of the options we don have adequate information.
Intern
Joined: 22 Nov 2009
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28 Feb 2010, 21:09
Same explanation as above!

Pharma accounts for 20% sales and 40% profits and the chemical industry accounts for the rest => chemical ind = 80% sales and 60% profits.

Per dollar - Pharma = 40/20 = 2.0
Per dollar - Chemical = 60/80 < 2.0

Hence C
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Re: power prep--cr   [#permalink] 28 Feb 2010, 21:09
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