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    Question

    How many composite numbers are there from 41 to

    79?
    A 27 Correct Answer Incorrect Answer
    B 28 Correct Answer Incorrect Answer
    C 29 Correct Answer Incorrect Answer
    D 30 Correct Answer Incorrect Answer

    Solution

    Total numbers between 41 to 79 = (79 - 41 + 1) = 39

    Prime numbers between 41 to 79 = 41, 43, 47, 53, 59, 61, 67, 71, 73, 79 = 10 numbers

    So, required count of composite numbers = (39 - 10) = 29

    Hence, option c.

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