5th Class Mental Ability Arithmetical Reasoning Question Bank Arithmetical Reasoning

  • question_answer A pouch contains 6 blue marbles, 3 red marbles, 1 green marble, and 2 pink marbles. What is the probability that Tom will select, without looking, a blue marble in the first try?

    A)  \[\frac{6}{12}\]                                 

    B)  \[\frac{3}{12}\]

    C)  \[\frac{1}{12}\]                                 

    D)  \[\frac{2}{12}\]

    Correct Answer: A

    Solution :

     Total marbles = 12 Blue marbles = 6 Probability of selecting blue marbles\[\text{=}\frac{6}{12}\].


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