number properties

This topic has expert replies
Source: — Data Sufficiency |

User avatar
MBA Admissions Consultant
Posts: 2279
Joined: Fri Nov 11, 2011 7:51 am
Location: New York
Thanked: 660 times
Followed by:266 members
GMAT Score:770

by Jim@StratusPrep » Wed Jan 25, 2012 8:56 pm
1) when you square an integer (x^2) you get an integer, and an integer - and integer is always an integer SUFFICIENT
2) says x and y are opposite signs NOT SUFFICIENT

Answer is A
GMAT Answers provides a world class adaptive learning platform.
-- Push button course navigation to simplify planning
-- Daily assignments to fit your exam timeline
-- Organized review that is tailored based on your abiility
-- 1,000s of unique GMAT questions
-- 100s of handwritten 'digital flip books' for OG questions
-- 100% Free Trial and less than $20 per month after.
-- Free GMAT Quantitative Review

Image