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    Question

    In a family of 8, the men eat on average 72kg of

    food and women eat on an average 50kg of food. The men and women are equal in number. A woman joined the family for dinner and the average consumption became 67. How much did woman eat (in kgs)?
    A 115 Correct Answer Incorrect Answer
    B 85 Correct Answer Incorrect Answer
    C 70 Correct Answer Incorrect Answer
    D 60 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    As men and women are equal so , there are 4 women and 4 men so, total consumption will be 72×4 = 288(by men) and 50×4 = 200(by women)
    Total consumption = 488.
    But after including a woman the average consumption for 9 people is given to be 67.
    So the total consumption will be 67×9 = 603.
    So, woman’s consumption will be = 603 – 488 = 115

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