| Log In | Register Now
So, it's test day, and you find yourself working on a particularly challenging counting question involving combinations.
The last step in the solution requires you to calculate:
Do you evaluate this expression in your head, or do you use the somewhat cumbersome combination formula?
After viewing this video, you should be able to perform most combination calculations in your head.
About Beat The GMAT
Eric Bahn is the Founder of Beat The GMAT, an MBA applicant community serving 1 million+ visitors/year. In July, Beat The GMAT will be launching a new set of GMAT practice questions called Smart GMAT Practice.
Who Is Paul McCartney Trends on Twitter; Users Wonder Why
Dad Shoots Laptop Video Goes Viral on YouTube After Daughter’s Facebook Rant [VIDEO]
Boeing Dreamliner Hurdles New Production Hiccup, Flags Higher Output by 2014
Boeing Dreamliner Hurdles New Production Hiccup, Flags Higher Output by 2014
Anonymous Takes Down Web Sites of Bahrain Government, U.S. Maker of Teargas Used on Protesters
Moody's cuts ratings on Italy, Portugal and Spain, Warns UK, France and Austria: Is it Time for a Reality Check?
Free Edition
TAKE A TOURWe value your privacy. Your email address will not be shared.
