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

# GMAT DS

## Data Sufficiency : Number Properties and Probability

A GMAT 700 level Data Sufficiency Question | Number properties and Probability Question Set A contains distinct integers: A = {2,4,6,-8,x,y}. When two numbers from this set are picked and multiplied, what is the probability that the product is less than zero?(1) x*y is not equal to zero.(2) |x| = |y| Correct Answer is choice B. Statement 2 alone is sufficient. Video … [Read more...] about Data Sufficiency : Number Properties and Probability

## Arithmetic Mean – Data Sufficiency

Here is an easy Descriptive Statistics Data Sufficiency Question What is the median of a set of 10 positive integers? 1. The numbers are in an AP with the first term being 10 2. The arithmetic mean of these 10 numbers is 55 Answer - Choice C Explanatory Answer Break down the process of solving any DS question into 3 mandatory steps and 1 optional step. Step 1 : … [Read more...] about Arithmetic Mean – Data Sufficiency

## GMAT DS : Percents, Profits

QuestionTwo products A and B that cost $2000 and $1000 respectively were marked up with a profit of x%. What is x?1. If a discount of (2x/5)% is offered on the marked price of product A and if product B is sold at the marked price, the profit made on both products will be the same.2. If the markup on Product A is half that of product B, the profit made on both the products will … [Read more...] about GMAT DS : Percents, Profits

## 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...] about GMAT Data Sufficiency Practice : Inequalities & Number Properties