Question
A bag contains x pink balls, (x + 2) blue balls and (x + 7)
green balls. If probability of getting a blue ball is 1/9 more than that of getting a pink ball, then find the probability of getting a green ball.Solution
ATQ,
(x + 2 – x)/(3x + 9) = 1/9
Or, 3x + 9 = 18
Or, x = 3
So, desired ratio = 10/18 = 5/9
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