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i dont know there could be other peolple in the room besides the people doing hand shakes but if there werent, and there were only two people to each hand shake, there would be 56 people in the room.
Or if you mean a general hand shake that you did 28 times, there could only be 2 people in the room.
Wiki User
∙ 14y ago
If there are 28 handshakes in a room, there must be 8 people present. Each person shakes hands with every other person once, so the total number of handshakes can be calculated using the formula n(n-1)/2, where n is the number of people in the room. Solving for n in this case gives you 8 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 if 12 people shake hands with every other person in room?
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If 2000 people shake hands once with everyone in the room how many hand shakes would take place?
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How many handshakes if 6 people shakes hands with every other person in the room?
If there are 6 people in a room, and each person shakes hands with every otherperson in the room, then there will be 15 separate and distinct handshakesbetween different pairs of people.
If seven people are in a room and they shake hands with each other once how many hand shakes would take place?
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How many handshakes if 4 people shakes hands with every other person in the room?
Type your answer here... 6
Five people are in a room If everyone shakes hands with everyone else once how many handshakes will there be in all?
If it doesn't matter who starts it, then there are 60 separate hand-shakes.If it makes a difference who starts the greeting, then there are 120 different cases.
Four people in a room. Each shakes hands with each of the others once. How many handshakes are there?
9 handshakes correct answer is 10
There are five people in a room Each person shakes the hand of every other person exactly once How many handshakes are exchanged?
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