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    Question

    A contains X green Balls, '7 Red Balls, and 5 Yellow

    Balls. The probability to pick Green Ball at random is 3/5. Another Bag B contains тАШ6 green Balls, тАШx тАУ 3тАЩ Yellow Balls and x - 4' Red Balls. If two balls are picked one after the other from Bag B at random then what is the probability for the Balls to be Red?
    A 18/125 Correct Answer Incorrect Answer
    B 11/51 Correct Answer Incorrect Answer
    C 6/35 Correct Answer Incorrect Answer
    D 9/125 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    x/(7+x+5) = 3/5 X = 18 Now,┬а In Bag B: Red balls = 18 тАУ 4 = 14 Yellow balls = 18 тАУ 3 = 15 Green ball = 6 Required Probability = 14/35 ├Ч 15/35 = 6/35

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