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10th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-7

  • question_answer
    A bag contains 5 red balls and 8 blue balls. It also contains 4 green and 7 black balls. If a ball is drawn at random, then find the probability that it is not green.

    A)  \[\frac{5}{6}\] 

    B)  \[\frac{1}{4}\]

    C)  \[\frac{1}{6}\]                         

    D)  \[\frac{7}{4}\]

    E)  None of these

    Correct Answer: A

    Solution :

    Not Available                


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