There are 20 people in a party. If every person shakes hand with every other person, what is the total number of handshakes?
Answers
Answered by
2
Answer:
1 person=20×20
20 person=20×20×20 handshakes
=8000 handshakes
Answered by
5
Answer:
19x20
380
380/2
190
therefore, total handshake will be 190
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