6 people meet for a business lunch.
6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?
Answer/Solution
15
Steps/Work
the formula to count handshakes is n(n−1)2n(n−1)2
Where n is the number of people
=> 6(6-1)/2 = 6*5/2 = 30/2 = 15
=> the answer is D(15)
Where n is the number of people
=> 6(6-1)/2 = 6*5/2 = 30/2 = 15
=> the answer is D(15)