Q'3

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Q'3

by Suyog » Wed Oct 10, 2007 3:04 pm
Does x^2 = y ?
(1) root y = -x
(2) x < y

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by pahwa » Thu Oct 11, 2007 1:27 am
Statement 1 is sufficient.
Statement 2 isnt. take values and put in

for x>0, y>0, if x<y, then nothing can be commented.
If x=-2, y=2, we can say that x<y but x^2=y^2 (only this case)
Insuff.