daily riddle #24
Today not a very difficult riddle. I think it's just a bit of math ;)
You are invited to a party with 20 people. Everyone says hello to everyone. How many greetings will be?
Today not a very difficult riddle. I think it's just a bit of math ;)
You are invited to a party with 20 people. Everyone says hello to everyone. How many greetings will be?
190
(19+18+17+...+3+2+1)
400 greetings 20 x 20
errwutzl gave the correct answer.
This post has received a 20.27 % upvote from @boomerang.
Four Hundred and Twenty greetings.
too many ;)
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