I went to attend my friend's birthday party. I just counted the total no of handshakes made in that . It came to 45. Can you tell me how many persons were there?
( Actually there is a formulae to calculate this.If you can tell that also it will be very nice as that will work for any number.)
So, give your brain a little work and guess :)
Topic Author
M
Meean
@meensatwork
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Created
Monday, 12 October 2009 10:53
Last Updated
Tuesday, 30 November -0001 00:00
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