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A bag contains ′x′ red balls ′2x′ white balls and ′3x′ black balls. 3 balls are drawn at random. The probability that all the balls drawn are of different colors is 0.3 .How many white balls are present in the bag? |
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Answer» A bag contains ′x′ red balls ′2x′ white balls and ′3x′ black balls. 3 balls are drawn at random. The probability that all the balls drawn are of different colors is 0.3 .How many white balls are present in the bag? |
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