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    Question

    If average of first 10 numbers is (n – 23) and the sum

    of remaining number is 925. Find the value of ‘n’, if the average of 20 numbers is ‘n’. 
    A 201 Correct Answer Incorrect Answer
    B 69.5 Correct Answer Incorrect Answer
    C 96 Correct Answer Incorrect Answer
    D 120.6 Correct Answer Incorrect Answer

    Solution

    According to the question, => 20n = 10 × (n – 23) + 925 => 20n - 10n = 925 – 230 => n = 69.5

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