Multiple Choice Questions on Ticket numbered from 1 to 30 are mixed up and a ticket is drawn at random What is the probability th........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Ticket numbered from 1 to 30 are mixed up and a ticket is drawn at random What is the probability th...........

Quantitative Aptitude ( CCS) Probability
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    Ticket numbered from 1 to 30 are mixed up and a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 4 or 6.

    6/13

    Incorrect Answer

    3/10

    Correct Answer

    5/9

    Incorrect Answer

    1/10

    Incorrect Answer
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    Explanation:

    n(s)=30
    Multiple of 4 ={4,8,12,16,20,24,28}
    Multiple of 6={6,12,18,24}
    Then n(e)={4,6,8,12,16,18,20,24,28}|
    P=n(e)/n(s)=9/30=3/10.

    Hence, option 2 is the correct answer.

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