Seven members of board of management of a company had their meeting on Saturday morning. When they came in to the board room, every one of them greeted each other by shaking hands. Every one shook hands with every other members. In other words, all of them shook hands with one another. How many handshakes took place in the room?
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The total numbers of handshakes that took place in the room is 21 .
- Number of persons with whom the 1st member shook hand = 6
- Remaining number of persons with whom the 2nd member shook hand = 5
- Remaining number of persons with whom the 3rd member shook hand = 4
- Remaining number of persons with whom the 4th member shook hand = 3
- Remaining number of persons with whom the 5th member shook hand = 2
- Remaining number of persons with whom the 6th member shook hand = 1
- 7th member will by default shook hand to everyone.
- Total number of handshakes = 6+5+4+3+2+1 = 21
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Answer:
21 handshakes lol hahaha
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