In a Function, every person shakes hand with every other person. If there was a total of 28 handshakes in the function, how many persons were present in the Function?	Pick one
A) 8 B) 7 C) 2 D) 6 E) 5
Suppose there are nn persons present in a function and every person shakes hand with every other person. Then, total number of handshakes   = nC2=n(n−1)/2   n(n−1)=28×2n(n−1)=56   n=8   8NSWER 8 8
<result>A</result>
In a Function, every person shakes hand with every other person. If there was a total of 28 handshakes in the function, how many persons were present in the Function?