Question

    What is the average of first 24 multiples of 2.4?

    A 25 Correct Answer Incorrect Answer
    B 21.6 Correct Answer Incorrect Answer
    C 24 Correct Answer Incorrect Answer
    D 30 Correct Answer Incorrect Answer

    Solution

    First term = 2.4 x 1 = 2.4 Last term = 2.4 x 24 = 57.6 Required average = (2.4 + 57.6)/2 = 30

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