Do combinations and permutations questions on the GMAT or Executive Assessment keep you up at night? Do you struggle to figure out whether a question is a combination question or a permutation question? Do the formulas leave you in a muddle?

Alternatively, are you aiming for an 85+ in the quant section? Do you want to make sure you've left no stone unturned in your preparation?

In this video, Charles -- a veteran GMAT tutor with a perfect 800 score on the exam -- will help you develop a deep, intuitive understanding of combinations and permutations questions on the GMAT and EA.

The questions featured in this video will be gentle in the first half and tough in the second. The focus in the first half will be on your conceptual understanding. In the second half, Charles will dig into the variations the GMAT or EA could throw at you to make a combinations or permutations questions difficult.

This is video #16 in our series of full-length GMAT quant lessons. For updates on upcoming videos, please subscribe!

This video will cover:
➡️ Does order matter?
➡️ Intuition is more important than formulas
➡️ The basics you’ll need for an 80+
➡️ Hard questions (of dubious value)

This video is for you if:
➡️ You don't want to over study
➡️ Combinations and permutations keep you awake at night
➡️ You don't. know which formulas to use
➡️ You want a Q85+

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For more on Charles Bibilos and his love of international food and contributions to ornithology textbooks: https://www.gmatninja.com/charles-bib...
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Chapters:
00:00 Introduction
02:09 Q1 - Permutations Warmup
06:30 Q2 - Combinations Warmup
13:19 Q3 - At least one
19:40 Q4 - Digits Part I
25:54 Q5 - Only one from each
31:15 Q6 - Digits Part II
38:08 Q7 - One Digit Different