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The content of 3 urns 1,2,3 are as follows : 1 white, 2 black, 3 red balls; 2 white, 1 black, 1 red balls; 4 white, 5 black, 3 red balls. One urn is selected at random and two balls are drawn and these comes out to be white and red. Then the probability that they come from

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The content of 3 urns 1,2,3 are as follows : 1 white, 2 black, 3 red balls; 2 white, 1 black, 1 red balls; 4 white, 5 black, 3 red balls. One urn is selected at random and two balls are drawn and these comes out to be white and red. Then the probability that they come from



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