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    Question

    Determine the average of all prime numbers that lie

    between 35 and 70.
    A 62 Correct Answer Incorrect Answer
    B 54 Correct Answer Incorrect Answer
    C 38.5 Correct Answer Incorrect Answer
    D 51 Correct Answer Incorrect Answer

    Solution

    Prime numbers between 35 and 60 = 37, 41, 43, 47, 53, 59, 61, and 67. Required sum = 37 + 41 + 43 + 47 + 53 + 59 + 61 + 67 = 408 Number of prime numbers between 35 and 70 = 8 Required average = (408/8) = 51

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