 # Permissible vs. Sufficient: Picking Numbers on Yes/No Data Sufficiency Questions

- Nov 26, 08:00 AM   Comments 

One of the hallmark points of confusion on the GMAT is the dreaded Yes/No Data Sufficiency question. In a Value question, such as “What is the value of ?” the question of sufficiency is a familiar one: if you can solve for , you...

# Data Sufficiency: Before you pick C…

- Nov 15, 09:00 AM   Comments 

To succeed on the GMAT, there is a general rule of Algebra that you should know: to solve for all variables in a system of equations, you need as many distinct linear equations as variables. So if you get 2 variables, you need two...

# First steps in prepping for GMAT Quant: Practice your Math Foundations

- Nov 2, 10:00 AM   Comments 

Basic math content knowledge, such as the formula for the area of a triangle or the equation for calculating an average, is often the wolf in sheep’s clothing on the GMAT – test takers who lack proficiency in the basics find it very challenging to...