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    Question

    The average salary of 35 employees in a company was

    calculated to be ₹42,000. Later it was found that ₹45,000 was entered as ₹54,000, and ₹39,000 was noted instead of ₹36,000. Find the correct average salary.
    A ₹48,357.14 Correct Answer Incorrect Answer
    B ₹41,657.14 Correct Answer Incorrect Answer
    C ₹31,627.14 Correct Answer Incorrect Answer
    D ₹53,657.14 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Correct average

    = {(35 × 42000) – 54000 + 45000 – 39000 + 36000} / 35

    = {1470000 – 54000 + 45000 – 39000 + 36000} / 35

    = 1470000 – 54000 = 1416000 + 45000 = 1461000 – 39000 = 1422000 + 36000 = 1458000

    Correct average = 1458000 / 35 = ₹41,657.14

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