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    Question

    The average of first 12 multiples of 7

    is:
    A 12 Correct Answer Incorrect Answer
    B 45.5 Correct Answer Incorrect Answer
    C 7 Correct Answer Incorrect Answer
    D 42 Correct Answer Incorrect Answer

    Solution

    ATQ,

    First 12 multiples of 7: 7, 14, 21, ..., 84 (AP with first term = 7, last term = 84) Average of an AP = (First term + Last term) / 2 Average = (7 + 84) / 2 = 91 / 2 = 45.5

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