Some children goto ice-cream shop. 9 flavours are available there. Each child takes a cone with two different flavours. No two children take same combination and they have taken all such possible combinations. How many children went to ice cream shop?

• there are 9 flavours ,each one takes 2
  therefore 9c2 by using propability
  9*8/2*1=36
  so childrens=36
• 12 years agoHelpfull: Yes(16) No(0)
• 36 childrens.(8+7+6+5+4+3+2+1)
• 13 years agoHelpfull: Yes(3) No(0)
• I think the answer is 18 children...9C2 =36...these r the possible ways of selecting 2 flavors at a time... each child take 2 floavors so 36/2= 18
• 10 years agoHelpfull: Yes(1) No(0)