Math, asked by nigpj5470, 1 year ago

A bag contains 40 balls out of which some are red,some are blue and the remembering are black.If the probability of drawing a red ball is 11/20 and that of blue ball is 1/5.Find the number of black balls in bag

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Answered by sayan3853

0

The no. Of black balls will be 1/4

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