Category: GMAT Data Sufficiency

GMAT Sample Data Sufficiency Practice Questions
Unlike Problem Solving, Data Sufficiency is a questiontype unique to the GMAT. Data Sufficiency is part of the Data Insights section on the GMAT. GMAT Data Sufficiency Practice Questions 1. Maggie is 15 years older than Bobby. How old is Bobby? Statement #1: In 3 years, Maggie’s age will be 50% larger than Bobby’s age.…

GMAT Tricks with Systems of Equations
Many GMAT testtakers vaguely remember a rule from high school, that it’s possible to solve for two variables if and only if you’re given two equations, and generally that it’s possible to solve for n variables if and only if you’re given n equations. Unfortunately, that rule isn’t quite correct as written, and even the…