Bhanu Chaudhary
Poll
Professional
Asked: 2022-03-09T17:12:49+05:30

Three pipes A, B and C can fill a tank in 6 hours, 9 hours and 12 hours respectively. B and C are opened for half an hour, then A is also opened. The time taken by the three pipes together to fill the remaining part of the tank is :

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  1. Three pipes A, B and C can fill a tank in 6 hours, 9 hours and 12 hours respectively. B and C are opened for half an hour, then A is also opened. The time taken by the three pipes together to fill the remaining part of the tank is :
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    1 Answer

    1. Professional

       

       

      n half an hour B+C must have filled

       

      =42+32=72units

       

      Capacity left

       

      =36−72=652 units

       

      Now, all pipes will fill the remaining tank

       

      =652×(6+4+3)=652×13=52

       

      =212hrs

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