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10th Class Mathematics Probability Question Bank Probability

  • question_answer
    The odds in favour of an event are \[2:7\]. Find the probability of occurrence of this event.

    A)  \[\frac{2}{9}\] 

    B)  \[\frac{5}{12}\]

    C)  \[\frac{7}{12}\]                        

    D)  \[\frac{2}{5}\]

    Correct Answer: A

    Solution :

    (a): Total number of outcomes \[=2+7=9\] Favourable number of cases = 2 \[P(E)=\frac{2}{9}\]                  


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