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7 people and 14 hands?

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If 7 people meet each other and each of the others shake hands 1 time how many times will each have shaked hands?

21 times


There are 7 people at a party Each person must shake hands with all the other people at the party once How many handshakes does it take to do this?

14 is incorrect Correct answer is 21* 7 persons in total, which means the first one will shake hands with 6 persons, the next in line will shake hands with 5 (given that he already shook hands with the first person). Calculation is: 6+5+4+3+2+1=21 *Applies to question if handshakes take place between new partners only, however in either case 14 can never be the answer.


How many handshakes will there be altogether at the end of a business conference if the ten people present all shake hands with each other once?

There will be 45 handshakes (assuming that each person doesn't repeat who they shake hands with). Use the following formula for this one (n*(n-1))/2 where n is number of people...so if 10 people its (10 x 9) / 2 = 45 handshakes, if 7 people its (7 x 6) / 2 = 21 handshakes etc.


What are the release dates for The Man Who Would Not Shake Hands - 2013?

The Man Who Would Not Shake Hands - 2013 was released on: USA: 7 July 2013


What are the release dates for One Day at a Time - 1975 Shake Hands 7-3?

One Day at a Time - 1975 Shake Hands 7-3 was released on: USA: 25 October 1981


Seven people shake hands once how many times do they shake hands?

For everyone to shake hands with everyone else, there are 21 handshakes. (below copied from my answer of a similar question) This is an arithmetic progression and can be solved with the equation Sn=(1+(n-1))(n-1)/2 where Sn is the total sum of handshakes for n people. NB: I have used n-1 instead of n in the equation for the sum of an arithmetic progression, because you're not really going to shake hands with yourself, so you don't include the nth term, in this case 7. Alternatively, you can solve this geometrically by drawing a heptagon, drawing lines between all the vertices, and then adding all the lines up.


If each OF seven persons in a group shakes hands with each of the other six persons then a total of forty two handshakes occurs?

The correct answer is 21. The first person shakes hands with the other 6 people. The second person shakes hands with 5 people because they already shook hands with the first person. The third person shakes hands with 4 people because they already shook hands with the first and second person. The fourth person shakes hands with 3 people because they already shook hands with the first, second, and third. The fifth person shakes hands with 2 people because they already shook hands with the first, second, third, and fourth person. The sixth person shakes hands with the seventh person because the rest have already shaken hands with them. The seventh person doesn't have anyone else to shake hands with. So the total would be 21...


7 people shake hands with each other how many hand shakes are exchanged?

The first guy shakes hands with 6 other people. The next guy has already shaken the first one's hand, so she has only 5 other people to handshake & so on down to the last two people with a single handshake. All together there are 6 + 5 + 4 + 3 + 2 + 1 = 21 handshakes


How many handshakes if 10 people shake hands with every other person in the room?

45: 9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1


If seven people are in a room and they shake hands with each other once how many hand shakes would take place?

20 hand shakes would take place. Here's how: 1234567 23456 34567 4567 567 67 7 And a person can't shake his own hand or someones hands twice


5 people shake hands with each other how many hand shakes were there?

55 10+9+8+7+6+5+4+3+2+1=55


1 At the end of a banquet 10 people shake hands with each other How many handshakes will there be in total?

9+8+7+6+5+4+3+2+1=45