Number Theory is a big hit with the GMAT test setters, especially when setting Data Sufficiency Questions. Here is a GMAT Data Sufficiency practice question from the Number Properties and Number Theory topic. Directions This data sufficiency problem consists of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether … [Read more...] about GMAT DS : Number Properties
GMAT Number Theory
Number Properties : Data Sufficiency
Number Properties is an all time favorite with the GMAT test makers. Especially in the DS avtar, number properties questions could be quite potent.Here is a seemingly innocuous question from Number Properties presented as a DS question.QuestionIs ab positive?(1) (a+b)^2 < (a-b)^2(2) a = bIt is an "Is" question. So, the answer has to be a definite YES or a definite NO. It cannot … [Read more...] about Number Properties : Data Sufficiency
Data Sufficiency : Number Properties & Equations
About a third of the questions that appear on the Quantitative section of the GMAT CAT test are data sufficiency (DS) questions. Here is a DS question from Number properties and number theory. Number properties and number theory is a hot favorite when it comes to setting DS questions.For the uninitiated amongst us, this is how the instructions to a DS question will look … [Read more...] about Data Sufficiency : Number Properties & Equations