daily riddle #24

in #riddle6 years ago (edited)

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?

Sort:  

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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