Question

    Find the average of first 21 whole

    numbers.
    A 11 Correct Answer Incorrect Answer
    B 9.5 Correct Answer Incorrect Answer
    C 12 Correct Answer Incorrect Answer
    D 10 Correct Answer Incorrect Answer

    Solution

    First 13 whole numbers = 0, 1, 2, …….., 19, 20 Average = (1st term + last term)/2 = (0 + 20)/2 = 10

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