Subject

    Quantitative Aptitude

    Topic

    Probability

    A jar contains 4 red toothpicks, 10 blue toothpicks and 6 yellow toothpicks. If three toothpicks are removed from the bag at random and no toothpick is returned to the bag after removal, what is the probability that all three toothpicks will be blue?

    ক)
    1/2
    খ)
    1/8
    গ)
    3/20
    ঘ)
    2/19

    Explanation

    probablity=10/20 x 9/19 x 8/18=2/19

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