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प्रश्न
A bag contains 4 red and 6 black balls. A ball is taken out of the bag at random. What is the probability of getting a black ball?
पर्याय
`2/5`
`3/5`
`1/10`
none of these
उत्तर
`3/5`
Explanation:
Total possible outcomes = Total number of balls = ( 4 + 6) = 10
Number of black balls = 6
∴ P (getting a black ball ) = `6/10 = 3/5`
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