Five men, Kevin, Roly, Brian, Max and Brice were at a party. Each of the men shook hands with each of the other men. How many handshakes were there?
Question
Solution 1
This problem can be solved using the formula for combinations. In this case, we are looking for the number of ways to choose 2 people (to shake hands) from a group of 5. The formula for combinations is:
C(n, k) = n! / [k!(n-k)!]
where:
- n is the total number of items,
- k is the number of items t Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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