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Earn +20 ptsQ: How many shakes if there are four people?
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Examples of hard riddles or quizzes?
if there are 2 people in a room and each one shakes hands once with every other person in the room, how many hand shakes are there?... answer( 1 handshake) pretty easy isn't it? if there are 3 people in a room and everyone shakes hands with everyone else, how many hand shakes are there? answer( three handshakes) now how many handshakes will there be for 5 people in a room? its your time to shyne...
How many hand shakes would there be if 7 people shook hands?
14
There are 15 people they all shake hands how many hand shakes are there?
105 ( First person shakes 14 different hands, second shakes 13 etc etc down to 14th shakes 1 hand. Sum of 1 to 14 = 105.)
How many handshakes can occur between 5 people if everyone shakes hands?
10
There are 10 people they all shake hands how many hand shakes are there?
45 handshakes
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