## The GMAT/MBA Library

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

#### GMAT Pyramid Questions

Be sure that you maximize efficiency by organizing the formulas into an accessible list for review.

#### Crazy GMAT Circles (Easier Than You Think)

Remembering the basics of diameter, radius, area, and circumference can get you very far on these questions.

#### Land Your Score: Circle Ratio Geometry Problems

Gain key insights and strategies for improving your GMAT performance on Test Day.

#### GMAT Data Sufficiency Geometry Practice Question

Test your geometry skills with these DS practice problems.

#### GMAT Practice Problems: Similar Geometric Figures

Try out these four practice problems involving similar figures then check out the expert solution.

#### GMAT Avengers Study Group: Quadrilaterals

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

#### Manhattan GMAT Challenge Problem of the Week – 28 October 2013

In order to solve this week's challenge note that a rectangle is symmetrical.

#### GMAT Mini-Lesson: Rectangular Solids

Remember the formula for surface area? Cole Entress–with the help of a few cool images–refreshes your memory.

#### Manhattan GMAT Challenge Problem of the Week – 10 June 2013

There are three distinct ways to solve this week's challenge problem. Did you get to the correct answer?

#### Manhattan GMAT Challenge Problem of the Week- 3 June 2013

Here's another challenge problem for you! Can you get to the right answer?

#### Manhattan GMAT Challenge Problem of the Week – 10 September 2012

Imagine that you have hooked together three poles representing the three sides that you know.

#### Manhattan GMAT Challenge Problem of the Week – 22 Nov 2011

Try your hand at this challenging geometry question!

#### Shapes Within Shapes

Brian Galvin shows you key relationships to remember when working with squares inscribed inside circles.

#### Manhattan GMAT Challenge Problem of the Week – 31 May 2011

Try out this 700+ GMAT Challenge problem from Manhattan GMAT.

#### Breaking Down A GMATPrep Geometry Problem

Stacey breaks it down with this tough Geometry problem.