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    Question

    Let A represent the sum of the two smallest prime

    numbers. Let B be the average of the largest and second-largest two-digit prime numbers. Determine the value of (A + B)/2.
    A 49 Correct Answer Incorrect Answer
    B 42.5 Correct Answer Incorrect Answer
    C 51 Correct Answer Incorrect Answer
    D 47.5 Correct Answer Incorrect Answer

    Solution

    The two smallest prime numbers are 2 and 3

    So, A = 2 + 3 = 5

    Largest and second largest 2 digit prime numbers are 97 and 89 respectively.

    So, B = 97 + 89 = 93

    So, required value = {(93 + 5)/2} = 49

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