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    Question

    The ratio of the number of cats

    to sheep on a farm is 5:8. The total number of cats and sheep is 91. The combined weight of all the cats is 1540 kg, and the ratio of the average weight of a cat to that of a sheep is 11:8. What is the average weight of a sheep?
    A 52 kg Correct Answer Incorrect Answer
    B 42 kg Correct Answer Incorrect Answer
    C 22 kg Correct Answer Incorrect Answer
    D 32 kg Correct Answer Incorrect Answer

    Solution

    ATQ,

    Number of cats in the farm = 91 × (5/13) = 35 Number of sheep in the farm = 91 – 35 = 56 Average weight of a cat = 1540 ÷ 35 = 44 kg So, average weight of a sheep = 44 × (8/11) = 32 kg

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