An interesting number properties question that tests your understanding of odd numbers, even numbers and inequalities. The best thing about a question of this kind is that there is no formula to get the answer. Try the question before checking out the solution video. Question If x is a positive … [Read more...]

## Inequalities & Number Properties

This one is an Inequalities and Number Properties Data Sufficiency Question. You will most likely get questions that test indices, absolute value and inequalities in the GMAT quant section - in its potent variant - data sufficiency. I strongly recommend that you understand the basics … [Read more...]

## 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 … [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 … [Read more...]

## GMAT DS : Quadratic Equation

A relatively easy Data Sufficiency question. Combines concepts in quadratic equation and inequalities involving quadratic expressions.Is x = 3?1. x2 + 6x + 9 = 02. x2 + 7x - 21 > 0The correct answer is Choice A. Statement 1 alone is sufficient; statement 2 is not. Explanatory Answer The question … [Read more...]

## GMAT DS – Inequalities, Descriptive Statistics

This data sufficiency question tests your understanding of Inequalities and descriptive statistics.QuestionIs 'b' the median of 3 numbers a, b, and c?1. b/a = c/b2. ab < 0The correct answer is C. Both the statements together are sufficient to answer the question.Explanatory answerWhen the numbers … [Read more...]