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An urn has ‘n’ balls of different colours out of which x are blue. If ‘p’ more blue balls are added to the urn, the probability of picking up a blue balls becomes twice the previous probability. What is the value of x?

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An urn has ‘n’ balls of different colours out of which x are blue. If ‘p’ more blue balls are added to the urn, the probability of picking up a blue balls becomes twice the previous probability. What is the value of x?



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