# Data Sufficiency Articles

#### An Overview of GMAT Data Sufficiency – Lesson Fourteen – Choosing a Statement

This video is part of a new lesson series to review Data Sufficiency on the GMAT. In the coming weeks you’ll see several more videos on this topic. Please send me feedback! What did you like, and/or what can I do … Read More

#### An Overview of GMAT Data Sufficiency – Lesson Thirteen – Common Myths, Part II

This video is part of a new lesson series to review Data Sufficiency on the GMAT. In the coming weeks you’ll see several more videos on this topic. Please send me feedback! What did you like, and/or what can I do … Read More

#### An Overview of GMAT Data Sufficiency – Lesson Twelve – Common Myths, Part I

This video is part of a new lesson series to review Data Sufficiency on the GMAT. In the coming weeks you’ll see several more videos on this topic. Please send me feedback! What did you like, and/or what can I do … Read More

#### Breaking Down a GMATPrep Inequalities Problem

This week, we’re going to tackle a pretty nasty GMATPrep® problem solving question from the topic of Inequalities. Let’s start with the problem. Set your timer for 2 minutes…. and… GO! *Is (x^4) +( y^4) > … Read More

#### An Overview of GMAT Data Sufficiency – Lesson Eleven – Avoiding Common Mistakes, Part II

#### Beat The GMAT Math Challenge Question – October 18, 2010

Congrats to Alex_C for being selected as this week’s winner of the Beat The GMAT Math Challenge Question. Alex will receive Premium Access to Beat The GMAT Practice Question as a prize. Above you will find the full … Read More

#### An Overview of GMAT Data Sufficiency – Lesson Ten – Useful Contradictions

#### An Overview of GMAT Data Sufficiency – Lesson Nine – Geometry Questions

#### An Overview of GMAT Data Sufficiency – Lesson Eight – Choosing Good Numbers

#### GMAT Case Study: Hidden Information in Word Problems

Here’s another post in our Knewton GMAT Case Study series, where we dig into the key concepts behind GMAT practice questions. This week: word problems. After you practice long enough for the GMAT, you may find … Read More

#### An Overview of GMAT Data Sufficiency – Lesson Seven – The Table Method

#### Breaking Down a GMATPrep Divisibility Problem

This week, we’re going to tackle a challenging GMATPrep® problem solving question from the topic of Divisibility (a subset of Number Properties). Let’s start with the problem. Set your timer for 2 minutes…. and… … Read More