Question

    The mean of 60 numbers is 105. Calculate the new mean if

    all numbers are multiplied by 4.
    A 828 Correct Answer Incorrect Answer
    B 900 Correct Answer Incorrect Answer
    C 420 Correct Answer Incorrect Answer
    D 665 Correct Answer Incorrect Answer

    Solution

    ATQ,

    New average = 105 × 4 = 420

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