top button
Flag Notify
    Connect to us
      Facebook Login
      Site Registration Why to Join

    Get Free Puzzle Updates

Facebook Login
Site Registration

All attendees to a party shakes with each other and 21 handshakes are made. How many people are attending the party?

+1 vote

All attendees to a party are introduced to one another. 21 handshakes are made in total. How many people are attending the party?

posted Sep 16, 2014 by Bheemappa G

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

2 Answers

0 votes


Formula n*(n-1)/2 = 21

answer Sep 16, 2014 by Chahat Sharma
0 votes

Answer : 7

Formula n*(n-1)/2 = 21

answer Feb 26, 2016 by Sarath Chandran

Similar Puzzles
+1 vote

If seven people meet each other and each shakes hands only once with each of the others, how many handshakes will there have been?

+1 vote

Initially, 60% of all attendees in a school party were girls. A while later, with 8 girls and 12 boys gone, the number of girls became twice as many as the number of boys.
How many people were present initially?

0 votes

In a party of 35 people there are twice as many women as children and twice as many children as men. How many of each are there?

Contact Us
+91 9880187415
#280, 3rd floor, 5th Main
6th Sector, HSR Layout
Karnataka INDIA.