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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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