10th Class Mathematics Probability Question Bank Probability

  • question_answer A bag contains 6 blue and 4 green marbles. If a marble is drawn at random from the bag, the probability that the marble drawn is green, is __.                      

    A)  \[\frac{2}{5}\]   

    B)  \[\frac{1}{5}\]           

    C)  \[\frac{4}{5}\]                       

    D)  \[\frac{1}{10}\]                     

    Correct Answer: A

    Solution :

                        Total number of marbles = 10 \[\therefore \]Probability of drawing a green marble \[=\frac{4}{10}=\frac{2}{5}\]

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