In how many ways can b blue balls and r red balls be distributed in n distinct…
GATE · 2008 · IT
In how many ways can b blue balls and r red balls be distributed in n distinct boxes?
- A.
[(n+b-1)!(n+r-1)!]/[(n-1)!b!(n-1)!r!]
- B.
[(n+(b+r)-1)!]/[(n-1)!(n-1)!(b+r)!]
- C.
n!/(b!r!)
- D.
[(n+(b+r)-1)!]/[n!(b+r-1)!]
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