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There are three urns A,B and C . Urn A c...

There are three urns A,B and C . Urn A contains `4` white balls and `5` blue balls . Urn B contains `3` white balls and `4` blue balls . Urn C contains `3` white balls and `6` blue balls . One ball is drawn from each of these urns . What is the probability that out of these three balls drawn, two are white balls and one is a blue ball ?

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The correct Answer is:
`(55)/(189)`
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