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    Question

    10 dogs can finish 20 trays of food in 25 hours. How long

    will it take 5 dogs to consume 16 trays of food?
    A 40 hrs Correct Answer Incorrect Answer
    B 45 hrs Correct Answer Incorrect Answer
    C 30 hrs Correct Answer Incorrect Answer
    D 20 hrs Correct Answer Incorrect Answer

    Solution

    ATQ,


    Let the eating efficiency of each dog be 'x' trays per hour.

    Let the required time be 't' hours.
    So,
    Image
    Required time = 40 hours

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