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A box contain 12 balls of …

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A box contain 12 balls of which some balls are red in colour . If 6 more red balls are put in the box and a ball is drawn at random the probability of drawing a red ball double than what it was before . Find the number of red ball

    • Posted by Afifa Parveen 7 years, 10 months ago

    CBSE > Class 06 > Maths (OLD)
    • 1 answers

    Prem Kumar 7 years, 10 months ago

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