BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

simple but cnt understand

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Data Sufficiency |
Newbie | Next Rank: 10 Posts
Posts: 6
Joined: Tue Sep 25, 2007 1:03 am

by santsark » Tue Oct 09, 2007 11:00 pm
From 1 you can get the value of Y, which is not sufficient to prove X^2 = XY.

But from 2 we know X=Y, so XY = X*X = X^2.
Top
Post new topic Post Reply
• Page 1 of 1