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     EduGorilla 
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    Suppose there are 4 bags. Bag 1 contains 1 black and a2 – 6a + 9 red balls, bag 2 contains 3 black and a2 – 6a + 7 red balls, bag 3 contains 5 black and a2 – 6a + 5 red balls and bag 4 contains 7 black and a2 – 6a + 3 red balls. A ball is drawn at random from a randomly chosen bag. The maximum value of probability that the selected ball is black, is

    Options :-

    1. 6/a2 - 6a + 10

    2. 20/ a2 - 6a + 10

    3. 1/16

    4. None of the above

    5. 1/24
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Reply To: Suppose there are 4 bags. Bag 1 contains 1 black and a2 – 6a + 9 red balls, bag 2 contains 3 black a….
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