12 people at a party shake hands once with everyone else in the room. how many handshakes took place
Answers
Answered by
1
Answer:
66 handshakes took place in the room .
Step-by-step explanation:
There are 12 people, so this is our n value.
So, 12C21= 66
Answered by
0
Given:
12 people at a party shake hands once with everyone else in the room.
To find:
Total number of handshakes that took place
Solution:
Everyone shook hand with everyone except themselves in the rom i.e., 11 people
formula
= 12C2
=12*11/2
=132/2
=66
Therefore, total number of 66 handshakes took place
#SPJ2
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