An interesting number properties question that tests your understanding of odd numbers, even numbers and inequalities.QuestionIf x is a positive integer such that (x-1)(x-3)(x-5)....(x-93) < 0, how many values can x take?A. 47B. 23C. 46D. 21E. 22Explanation VideoOr click for explanatory answer in text format. Correct Answer: Choice B … [Read more...]

## Inequalities and Number Properties DS

Inequalities and Number Properties Data Sufficiency QuestionIf m,n ≠0, is m^n > n^n? (1) |m| = n(2) m < n … [Read more...]

## Problem Solving – Equations

GMAT Problem Solving QuestionIn a test comprising 50 questions, a student attempts all questions. For every correct answer the student is awarded 1 mark. She will get negative marks for incorrect answers as per the following rule.1. 0.25 negative mark for each of the first 10 incorrect answer.2. 0.5 negative mark for each incorrect answer, from the 11th to the 20th.3. 0.75 … [Read more...]

## GMAT Data Sufficiency Practice : Inequalities & Number Properties

QuestionIs a + b > 0?1. a - b > 02. |a| < |b|Correct Answer is Choice C. Both statements together are sufficient to answer the question.Explanatory AnswerAn "IS" question is answered when you can provide a definite YES or a definite NO as an answer to the question using the data.We need to answer if a + b > 0.Statement 1: a - b > 0.We can infer that a > b.If … [Read more...]