Question

In a party a person handshakes with every other person .If there are 150 handshakes , find the number of

Answer 1

Find the number of.....?

This question is incomplete. Please complete it.

Answer 2

Answer:

if number of handshakes happened in a group of n people if every on e shakes hand with every other person use formula C resto n base 2.

so here 150 C 2 = 150!/148!2! = 148!*149*150/148!*2! = 149*150/2! = 22350/2 = 11175 so 11,175 handshakes are possible

Step-by-step explanation: