Multiple Choice Questions on A box contains 90 discs which are numbered from 1 to 90 If one disc is drawn at random from the........... for Study NOtes Preparation

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Multiple Choice Questions

A box contains 90 discs which are numbered from 1 to 90 If one disc is drawn at random from the...........

Quantitative Aptitiude (CLAT) Probability
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    A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, the probability that it bears a perfect square number is:

    1/10

    Correct Answer

    1/11

    Incorrect Answer

    1/90

    Incorrect Answer

    1/9

    Incorrect Answer
    Explanation:

    There are 9 perfect square numbers from 1 to 90.
    Thus, required probability = 9/90 = 1/10.
    Hence, option 1 is the correct answer.

    By: Amit Kumar
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