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Asked by carlton

How many ways are there to select 9 countries in the United Nations to serve on a council if 1 is selected from a block of 60, 3 are selected from a block of 63 and 5 are selected from the remaining 66 countries?
13 years ago

Answers

Answered by MathMate
Define n choose r as (n,r)=n!/(r!(n-r)!)

Then numnber of ways
=(60,1)*(63,3)*(66,5)
13 years ago

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