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10th Class Mathematics Probability Question Bank Case Based (MCQs) - Probability

  • question_answer
    The probability of drawing a ball of colour other than green colour is:

    A) 0

    B) \[\frac{4}{25}\]

    C) \[\frac{21}{25}\]

    D) \[\frac{17}{25}\]

    Correct Answer: C

    Solution :

    [c] From part (A), number of green balls = 4.
    \[\therefore \]Number of balls of colour other than
    \[=25-4=21.\]
    \[\therefore \] Probability of drawing a ball of colour other than green colour \[=\frac{21}{25}.\]


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