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Grade: 12th pass
        
an ice cream parlour has ice creams in eight different varieties. no of ways of choosing ice creams taking atleast two ice creams of the same variety is
2 years ago

Answers : (2)

Meet
137 Points
							How many ice cream has to be selected????? i.e. Suppose 8 different variety`s  are as follows - a,b,c,d,e,f,g,h . Now if we select atleast 2 from a then further we can`t take any step.
						
2 years ago
Deepak Gupta
15 Points
							
  • We have to choose at least 2 of same kind. So there would be two different cases:
  • 2 same 1 different, i.e. 8C1×7C1
  • All different, i.e. 8C1
  • Total =56+8=64
9 months ago
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