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Source: — Data Sufficiency |
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by liferocks » Thu May 20, 2010 11:24 pm
From either of the statements alone cannot conclude anything.

together

xy (z ^ 2)> 1 and xyz=1..so xyz*z>1 or 1*z>1..sufficient

Ans option C
"If you don't know where you are going, any road will get you there."
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