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    Question

    10 girls can finish a task in 8 days, while 5 women can

    finish the same task in 4 days. In how many days will 4 girls and 1 woman together finish the task?
    A 12 days Correct Answer Incorrect Answer
    B 10 days Correct Answer Incorrect Answer
    C 18 days Correct Answer Incorrect Answer
    D 15 days Correct Answer Incorrect Answer

    Solution

    10G × 8 = 5W × 4 where G = girls and W = women
    Or, 1W = 4G
    Therefore, 4G + 1W = 4G + 4G = 8G
    Therefore, 10 girls can complete the work in 8 days
    So, 8 girls will complete in  10 days .

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