Bhanu Chaudhary
Poll
Professional
Asked: 2022-03-10T14:49:17+05:30

Two pipes can independently fill a bucket in 20 minutes and 25 minutes. Both are opened together for 5 minutes after which the second pipe is turned off. What is the time taken by the first pipe alone ,to fill the remaining portion of the bucket?

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Two pipes can independently fill a bucket in 20 minutes and 25 minutes. Both are opened together for 5 minutes after which the second pipe is turned off. What is the time taken by the first pipe alone ,to fill the remaining portion of the bucket?

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    1 Answer

    1. Professional

      Correct Answer: 11 min

       

      1/20+/125

      =5+4/100

       

      after ‘5’ min the water fill by A

       

      5×9=45 unit water

       

      Then remaining water unit = 100−45=55

       

      This remaining unit water filled by A

       

      =55/5=11 minutes

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