Absolute Value

GMAT Inequalities Modulus DS

July 21, 2012 By K S Baskar Leave a Comment

HiHere is a GMAT DS question from the topic Inequalities. Tests concepts of modulus.QuestionIs |a| > |b|?1. 1/(a - b) > 1/(b - a)2. a + b < 0Correct Answer : Choice C. Both statements together are sufficient.Explanatory AnswerWe need to determine whether |a| is greater than |b|. The answer to this question will be a conclusive 'yes' if |a| > |b|.The answer will be a … [Read more...] about GMAT Inequalities Modulus DS

GMAT Data Sufficiency : Absolute Value

April 8, 2011 By K S Baskar Leave a Comment

Is xy < 0?(1) 5|x| + |y| = 0(2) |x| + 5|y| = 0 … [Read more...] about GMAT Data Sufficiency : Absolute Value