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प्रश्न
A bag contains 8 red, 2 black and 5 white balls. One ball is drawn at random. What is the probability that the ball drawn is not black?
पर्याय
`18/15`
`2/15`
`13/15`
`1/3`
MCQ
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उत्तर
`13/15`
Explanation:
Total possible outcomes = Total number of balls
= ( 8 + 2 + 5) = 15
Total number of non-black balls = (8 + 5) = 13
∴ P (getting a ball that is not black) = `13/15`
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