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A bag contains 12 balls out of which x are black. If one ball is drawn at random from the box, what is the probability that it will be a black ball? If 6 more black balls are put in the box the probability of drawing a black ball is now double of what it was before. Find x.
Asked by deadpoolaviral26 | 22 Sep, 2019, 09:01: PM
answered-by-expert Expert Answer
The question which you have posted is already answered. Please go through the below link.
 
https://www.topperlearning.com/answer/a-box-contains-12-balls-out-of-which-x-are-black-if-one-ball-is-drawn-at-random-from-the-box-what-is-the-probability-that-it-will-be-a-black-ball-if-6/q05x04xgg
Answered by Sneha shidid | 23 Sep, 2019, 08:59: AM

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