Sarthaks Test
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in Mathematics by (128k points)
A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball is double that of a red ball, determine the number of blue balls in the bag.

1 Answer

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by (13.5k points)
Best answer

Solution: Let us assume number of blue balls = x

Then, total number of balls = x + 5


Number of blue balls = 10

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