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A bag contains 6 red 8 black and 4 white...

A bag contains 6 red 8 black and 4 white balls. A ball is drawn at random. What is the probability that ball drawn is not black?

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Total no. of balls `=18`
No.of balls without black`=18-8=10`
P(ball is not drawn black)`=10/18=5/9`.
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