In a meeting between 2 countries each country has 12 delegates. All the delegates of one country shake hands with all delegates of other countries. Find the number of handshakes possible?
option
a) 72
b) 144
c) 288
d) none

• One person can shake 12 hands.
  hence 12person
  12*12=144
  ans is 144
• 10 years agoHelpfull: Yes(27) No(2)
• Ans is 144
  each one can shake with 12 hands
  Therefore total handshakes = 12x12 = 144
• 10 years agoHelpfull: Yes(8) No(1)
• i think.144
  
• 10 years agoHelpfull: Yes(7) No(1)
• there are 2 countries and each have 12 delegates means total delegates are 24.For two persons there will be one handshake.So no. of handshakes = nC2
  24!/2!*(24-2)!=276
  Ans=276
• 10 years agoHelpfull: Yes(7) No(11)
• each country has 12 delegates..
  12C1*12C1
  144
  so 144 handshake is possible
• 10 years agoHelpfull: Yes(5) No(2)
• 24c2-12c2-12c2=144.
• 10 years agoHelpfull: Yes(4) No(0)
• yes it is 12*12=144 ways..
• 10 years agoHelpfull: Yes(2) No(1)
• sorry the answer is 2(11!)
  
• 10 years agoHelpfull: Yes(1) No(5)
• 12*12=144 handshakes
• 10 years agoHelpfull: Yes(1) No(1)
• 2*(23!) is the answer.
• 10 years agoHelpfull: Yes(0) No(8)
• 12*12=144 Ans
• 10 years agoHelpfull: Yes(0) No(0)