Four people meet in a room and every person shakes hands with every other person in the room exactly once. How many total handshakes take place?
6 handshakes.
The first person shakes hands with 3 others. The second shakes hands with 2 remaining people. The third shakes hands with the 1 remaining person. Total handshakes = 3 + 2 + 1 = 6.
About this riddle
Logic riddles give you a few facts and ask what must be true. List what you know, cross out what cannot be, and see what is left.
Difficulty: Easy. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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