number of handshake between 10 pepole

• no.of handshakes between 10 people can be calculated as n(n-1)/2
• 9 years agoHelpfull: Yes(6) No(1)
• Ans: 45
  1 person can shake hand with 9 people
  
  2 person can shake hand with 8 people
  3 person can shake hand with 7 people
  .
  .
  .
  9+8+7+6+5+4+3+2+1=45
• 9 years agoHelpfull: Yes(6) No(0)
• 10C2
  total 10 people and 2 hands b/w two guys
• 9 years agoHelpfull: Yes(2) No(0)
• Ans: 362880
  
  1 person can shake hand with 9 people
  
  2 person can shake hand with 8 people
  3 person can shake hand with 7 people
  .
  .
  .
  
  So, 9x8x7x6x5x4x3x2x1 or 9!
• 9 years agoHelpfull: Yes(1) No(9)