## The GMAT/MBA Library

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

#### Next Year Starts Now: A New Webinar Series for 2019–2020 MBA Applicants!

Are you planning to apply to business school in 2019–2020? It is not too early to start preparing for your applications, and we can help! The [...]

#### The GMAT Avengers Challenge of the Week: Quant Mixture – Part 2

Can you solve this week's Avengers challenge?

#### The GMAT Avengers Challenge of the Week: Quant Mixture – Part 1

Can you solve this week's Avengers challenge?

#### Land Your Score: Probability Problems Primer

Save time on Test Day with this trick for calculating desired outcomes.

#### The GMAT Avengers Challenge of the Week: Probability – Part 2

Can you solve this week's Avengers challenge?

#### The GMAT Avengers Challenge of the Week: Probability – Part 1

Can you solve this week's Avengers challenge?

#### Know the GMAT Code: Quadratics

Push yourself to find the patterns or to articulate the underlying principles behind what you’re seeing.

#### GMAT Probability Problems for a High Quant Score

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

#### GMAT Tuesdays: Probability and Counting

Today we learn more about probability and counting. Probability questions involving counting are really just multi-step counting problems. Watch the video to learn more. And if [...]

#### GMAT Probability, Simplified.

Probability questions on the GMAT often confuse students. Discover a simple strategy.

#### Counting Practice Problems for the GMAT

Try out these practice problems to help you improve your counting skills.

#### The Word “Or” in GMAT Math

Remember this piece of advice—it will save you trouble in counting and probability problems.

#### One More RTD Table Problem: Average Rates Part 2

Learn how to use the RTD table to solve a challenge Average Rate problem.

#### Probability Basics: The Very Least You Should Know

Find out a helpful “trick” to avoid some of the most time-consuming types of problems on the GMAT.

#### Take a Study Break with This Challenge Question

Understand the adjunct rules on particular questions in order to correctly solve the problem.