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Source: — Data Sufficiency |

by cramya » Tue Dec 02, 2008 5:00 pm
I am sure u got stmt I's sufficiency

Not sure if I am missing something here; hope not.

Stmt II

x^2+y^2 = (x-y)^2

x^2+y^2 = x^2+y^2-2xy

2xy=0
xy=0
sqrt(xy) = 0

Either x is 0 then x^3 could equal sqrt(xy)
or y is 0 and x is not 0 then x^3 is not equal to sqrt(xy)

INSUFF

A)
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by earth@work » Tue Dec 02, 2008 5:08 pm
thanks cramya. the explanation in the book had complicated the (2) statement..got it now!
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