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QJEEAdv06Maccf3: JEE Advanced 2006 Mathematics - Class 12 JEEAdv06Maccf3 Solution: There are urns, each of these contain balls. The ith urn…

There are nn urns, each of these contain n+1n+1 balls. The ith urn contains ii white balls and (n+1−i)(n+1-i) red balls. Let ui{u_i} be the event of selecting ith urn, i=1,2,3........,ni=1,2,3........,n and ww the event of getting a white ball.

If P(ui)=c,P\left( {{u_i}} \right) = c, (a constant) then P(un/w)=P\left( {{u_n}/w} \right) =

Multiple Choice Options

  • A 2n+1{2 \over {n + 1}}
  • B 1n+1{1 \over {n + 1}}
  • C nn+1{n \over {n + 1}}
  • D 12{1 \over 2}

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