Seven members are there in a meeting. Each should handshake only once with all others. Find the total number of handshakes?

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saritha

  • May 27th, 2005
 

answer is 21 handshakes

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Danny John

  • Jan 27th, 2006
 

7 members shake hands that is a shake involves 2 therefore 7C2 combination so 21

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bhavani

  • Jun 16th, 2007
 

42 shake hands..b'cozĀ  each person shake hand with only 6 persons.

so 7 persons X 6hands = 42 shake hands..

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palak

  • Jul 4th, 2007
 

42 shake hands..b'cozĀ  each person shake hand with only 6 persons.

so 7 persons X 6 hands = 42 shake hands..

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sasirekha

  • Jul 28th, 2007
 

The answer is 21.
since each person should handshake for  one time. The first person handshakes with 6 persons and 2nd person with 5 persons and 3rd with 4 persons and 4th guy with 3 persons and 5th one with 2 persons . sixth persons need not to handshake as others given and the total is 6+5+4+3+2+1=21.

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