Lesson: Introduction to Combinations

Comment on Introduction to Combinations

gmat-admin's picture

You are correct.
Two teams are required to play a game, and the order in which we select the 2 teams does not matter.
So the question can be rewarded as, "In how many different ways can we select 2 teams from 8 teams?
The answer: 8C2

Here's another (non-combinations) way to answer that same question: https://gmatclub.com/forum/there-are-8-teams-in-a-certain-league-and-eac...

Pages

Office Hours

Have questions about your preparation or an upcoming test? Need help modifying the Study Plan to meet your unique needs? No problem. Just book a Skype meeting with Brent to discuss these and any other questions you may have. 

Change Playback Speed

You have the option of watching the videos at various speeds (25% faster, 50% faster, etc). To change the playback speed, click the settings icon on the right side of the video status bar.

Have a question about this video?

Post your question in the Comment section below, and a GMAT expert will answer it as fast as humanly possible.

Free “Question of the Day” emails!