SobhanR wrote:

Hi,

I dont seem to find a way to solve the following problem. Any input from your part in solving the question would be sincerely appreciated. Also what would be the best source to learn Permutation and Combination. I am yet to come across a video or document that has clarity and depth. (Or may be the reason is simply that I am coming back to this topic after 15-18 years.)

The question : There are 11 top managers that need to form a decision group. How many ways are there to form a group of 5 if the President and Vice President are not to serve on the same team?

The source doesnt provide answer choices.

Thank You.

SobhanR

Total ways to choose 5 out of 11 is 11C5 now president and wise president on the same team , then _ _ 9C3

so 11C5 -9C3=378

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- Stne