GMAT Permutations, Combinations, and Probability Tip | Solving the hardest GMAT Quant Questions

Only the highest and lowest scorers use this strategy. The folks in the middle completely miss it.

I’m Erika with Target Test Prep, and in this video I share a powerful but unexpected tip for solving the hardest GMAT Permutations, Combinations, and Probability questions. Then we’ll apply that tip together to real GMAT Quant practice problems from the Target Test Prep GMAT course, each one missed by more than 65% of students.

If you’ve watched my video on the Hardest GMAT Quant Questions, you know that Number Properties appears most often in the toughest GMAT math problems. But coming in close behind are Permutations, Combinations, and Probability — topics that show up often in advanced GMAT Quant and trip up even strong test takers.

In this video, you’ll learn why sometimes a little brute-force reasoning can actually help you solve the most complex GMAT counting problems. We’ll talk about when and how to apply this approach strategically so you can move faster, avoid traps, and get unstuck. You’ll see how this applies to GMAT Permutations, GMAT Combinations, and GMAT Probability questions — and how to spot when structured formulas won’t get you to the right answer efficiently.

Whether you’re studying for the GMAT, targeting a 705+ GMAT score, or just trying to master high-difficulty GMAT math questions, this walkthrough will help you build better intuition and solve faster on test day.

What You’ll Learn:

How to approach GMAT counting and probability problems with confidence
When to use formulas vs brute force
How to spot GMAT Quant traps that waste time
What separates top scorers from mid-level test takers

Timestamps:
00:00 Intro
01:02 Question 01: Permutations
08:00 Question 02: Combinations
18:19 Question 03: Probability
27:43 Outro

Watch Next:

Hardest GMAT Math Questions:    • Are These the Hardest GMAT Math Questions?  
3 Levels of Work Rate Problems:    • 3 Levels of GMAT Work Rate Questions  

Were you able to solve these problems on your own? Share your result in the comments. If this video helped you, give it a thumbs up so we know to make more like it.

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