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A bag contains 100 tickets numbered …

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A bag contains 100 tickets numbered  1 to 100 a number is drawn randomly .Find the probability that it is multiple of 5 or 7.

    • Posted by Gurleen Kaur 7 years, 1 month ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Bindu Agarwal 7 years, 1 month ago

    Total no. of tickets = 100

    No. of ticets which are multiple of 5 = 20

    NO. of tickets which are multiple of 7 = 14

    NO.of tickets which are multiple of both i.e. multiple of 35:- 2

    Therefore tickets which are multiple of 5 or 7 :-  20+14-2 = 32

    Therefore probability :-   32/100 = 0.32

    1Thank You

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