Math, asked by geethika53, 1 year ago

In a party of 12 person, how many hand shakes are possible, if every person handshake with every other person?

Answers

Answered by Mayanksainj
1
12×11=132 because 12 person handshake each other so on people to every
Answered by venky1919
1

Total number of handshakes

= The number of ways of selecting 2 persons from among 12 persons

=

12

C

2

= 12×11/2×1

=66

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