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A bag contains 4 yellow and 5 red balls ...

A bag contains `4` yellow and `5` red balls and another bag contains `6` yellow and `3` red balls . A ball is drawn from the first bag and without seeing its colour, it is put into the second bag . Find the probabilty that if now a ball is drawn from the second bag, it is yellow in colour .

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The correct Answer is:
`(29)/(45)`
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