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![[Post New]](/templates/default/images/icon_minipost_new.gif) 25 Apr 2008 11:48:30 IST
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there are four boxes labelled A,B,C,D and each box contains 10 balls numbered 1 to 10. A ball is chosen at random from each box of four boxes. If a,b,c,d are no. of balls chosen from boxes A,B,C,D resp. and if the probability that
a + d = b + c is p/q(p and q are relatively prime) then [ ] where [.] is greatest integer function is?
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Moderation Team
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