Brain Teasers
Hand Shaking
Trick
Trick brain teasers appear difficult at first, but they have a trick that makes them really easy.Trick
There are ten people in a house. Everybody wants to make a hand shake with only people shorter than themselves. Assume everybody is different in height. How many hand shakes are made?
Hint
1+2+3......+9=45Answer
Zero, because a taller person wants to shake hands with a shorter person. But the shorter person doesn't want to shake hands with him.Hide Hint Show Hint Hide Answer Show Answer
What Next?
View a Similar Brain Teaser...
If you become a registered user you can vote on this brain teaser, keep track of which ones you have seen, and even make your own.
Solve a Puzzle
Comments hidden to avoid spoilers.
Follow Braingle!