1.

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?

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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