two white balls and 3 black balls are placed in a bag and 3 men drawn a ball in sucession (the balls drawn not being replaced) untill a white ball is drawn.the ratio of their respectively chances is

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Please find below the solution to the asked query:

Initially we have two white and three black ballsOne white ball will come by 4th draw in any caseIf three person are A, B and CPA=A draws white+A doesn't draw, B doesnt't draw, C doesn't draw, A draw=25+35.24.13.1=25+110=12PB=A doesn't draw, B draws=35.24=310PC=A doesn't draw, B doesnt't draw, C draw=35.24.23=15 

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