// In this video, Jess and Rich show you the best methods for simplifying Data Sufficiency prompts and translating equations into more helpful forms. They present two sample problems (pause the video at 00:21 and 4:10 to try them out for yourself), and then walk...

// In this video, Jess and Rich talk about “testing cases” in Data Sufficiency problems — i.e. coming up with example numbers and trying them out to see what happens. The goal of this strategy is to help you determine if the DS question prompt...

// In this video, Rich and Jess kick off a quant session all about Data Sufficiency. In this first portion of the lesson, they cover the “Don’t Solve” strategy for DS — which, as Jess points out, is one of the best math tips around!...

Math (DS) Set consists of a certain number of even integers divisible by 3. Is standard deviation of positive? 1. All elements of set are positive 2. The range of set is 0 OA and Explanation GMAT Daily Deals Thursdays with Ron – Join Manhattan GMAT and...

Math (DS) If sets and are united into a single set, will the mean of this set be smaller than the sum of means of sets and ? 1. and are one-element sets 2. Neither set nor set contains negative...

Math (DS) Is the perimeter of a rectangle greater than 8 inches? 1. The diagonal of the rectangle is twice as long as its shorter side 2. The diagonal of the rectangle is 4 inches longer than its shorter side OA and Explanation GMAT Daily Deals View Kaplan’s new Course page...

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Math (DS) What is the mean of four consecutive even integers , , , ? is the smallest of the four integers. 1. 2. OA and Explanation GMAT Daily Deals Need help with your MBA School application? Check out Amerasia Consulting’s Round 3 Guarantee....

Math (DS) Vertices of a triangle have coordinates , and . Is the area of the triangle bigger than 15? 1. 2. The triangle is right OA and Explanation GMAT Daily Deals GMAT Club members receive 10% off of Veritas Prep GMAT Courses and MBA Admission Consulting – Learn...

Math (DS) Set consists of distinct numbers such that the difference between any two different elements of set is an integer. How many elements does set contain? 1. The difference between any two different elements of set is 2 ...