New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    A bag contains 14 black and 16 white balls. One ball is

    drawn at random. What is the probability that the ball drawn is white?
    A 8/9 Correct Answer Incorrect Answer
    B 7/15 Correct Answer Incorrect Answer
    C 8/15 Correct Answer Incorrect Answer
    D 8/19 Correct Answer Incorrect Answer

    Solution

    Let number of balls = (14 + 16) = 30 Number of white balls = 16 P (drawing a white ball) = 16/30 = 8/15

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