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A bag contains 20 balls out of which x are black. If 10 more black balls are put in the box, the probability of drawing a black ball is double of what it was before. The value of x is
🗓 Nov 22, 2021
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Andrea
🌐 India
I'm in exam, can any one give the solution for this question
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Courtney
🌐 India
Hello, please post an solution as well
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