Question

If 30 people handshakes in a room , what would be total handshake

Answer 1

Answer:

Step-by-step explanation:

Well it can be considered as a set A

And n(A) = 30

So the total no of handshakes is equal to = n(n-1)/2 = 30(29)/2 = 435

Answer 2

$\sf \pmb{Answer :}$

Step-by-step explanation:

Well it can be considered as a set A

And n(A) = 30

So the total no of handshakes is equal to = n(n-1)/2 = 30(29)/2 = 435