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Source: — Data Sufficiency |
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by simplyjat » Sat Feb 02, 2008 6:14 am
E) Both insufficient,

from 1 we know that m > 3z and from 2 we know that m < 4z, but we do not know the sign of m and z....
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by cris » Sat Feb 02, 2008 7:10 am
That is what I thought but correct answer is C.
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