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    Question

    The average weight of 44

    employees in an office is 45 kg. When the manager's weight is included, the average weight rises by 1 kg. What is the weight of the manager?
    A 90 kg Correct Answer Incorrect Answer
    B 55 kg Correct Answer Incorrect Answer
    C 75 kg Correct Answer Incorrect Answer
    D 58 kg Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Total weight of the office excluding manager = 44 × 45 = 1980 kg Let the weight of the manager be ‘m’ kg. According to question, (1980 + m)/(44 + 1) = 45 + 1 1980 + m = 46 × 45 1980 + m= 2070 m= 2070 – 1980 m= 90 kg. So, the weight of manager is 90 kg.

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