## The GMAT/MBA Library

Explore the world's largest collection of GMAT prep and MBA admissions content.

#### GMAT Function and Sequence Problems for High Quant Score

Practice high-value GMAT Function and Sequence problems with Target Test Prep GMAT experts Scott Woodbury Stewart and Jeffrey Miller.

#### GMAT Problem Solving Strategy: Test Cases

Learn a strategy that will help you on countless quant problems.

#### GMAT Data Sufficiency Strategy: Test Cases

If you’re going to do a great job on Data Sufficiency, then you’ve got to know how to Test Cases.

#### GMAT Avengers Study Group: Functions

Gain valuable tips on how to tackle Function questions from our GMAT Avengers group.

#### Want a 51 on Quant? Answer This Problem!

Learn “test savvy” techniques that will help you solve math sequence questions.

#### GMAT Quant Practice #4

It’s GMAT time for a lot of your right now. I’ve spoken with a number of you who are taking the exam in a few [...]

#### Manhattan GMAT Challenge Problem of the Week – 22 October 2012

Apply the definitions of the two functions to solve this week's challenge.

#### Manhattan GMAT Challenge Problem of the Week – 1 October 2012

To solve this week's challenge create a variable to represent calendar years since January 1, 2012.

#### GMAT Basics: Simplifying Algebraic Expressions

Refresh your knowledge of equations and functions basics by trying out these exercises.

#### 3 Tips for Confusing Function Questions

Function questions can be some of the most confusing math questions appearing on the GMAT. Remember these 3 tips to attack these often complicated questions.

#### Breaking Down a GMATPrep Exponential Equations Problem

This week, we’re going to tackle a harder GMATPrep® problem solving question from the topic of Exponential Equations (a subset of Algebra). Let’s start with the [...]

#### Manhattan GMAT Challenge Problem of the Week – 9 Nov 2010

Here is a new Challenge Problem! If you want to win prizes, try entering our Challenge Problem Showdown. The more people enter our [...]

#### Manhattan GMAT Challenge Problem of the Week – 27 July 2010

Here is a new Challenge Problem! If you want to win prizes, try entering our Challenge Problem Showdown. The more people enter our [...]

#### Manhattan GMAT Challenge Problem of the Week – 29 Apr 10

For which of the following functions *f*(*x*) is the relation *f*(*f*(*x*)) = *f*(*f*(*f*(*f*(*x*)))) NOT true for at least some values of *x*not equal to zero?

#### Manhattan GMAT Challenge Problem of the Week – 11 Feb 10

Welcome back to this week’s Challenge Problem! As always, the problem and solution below were written by one of our fantastic instructors. Each challenge problem [...]