Bhanu Chaudhary
Poll
Professional
Asked: 2022-03-08T20:08:09+05:30

A tap can fill an empty tank in 12 hours and another tap can empty half the tank in 10 hours. It both the taps are opened simultaneously, how long would it take for the empty tank to be filled to half its capacity?

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A tap can fill an empty tank in 12 hours and another tap can empty half the tank in 10 hours. It both the taps are opened simultaneously, how long would it take for the empty tank to be filled to half its capacity?

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    1 Answer

    1. Professional

      Correct Answer: 15 hrs

       

      If emptying pipe empty half the tank in 10 hrs then emptying pipe empty full tank in

       

      10×2=20 hrs

       

      1/12-1/20 =5-3/60

       

      (A−B)efficiency =5−3=2units/h

       

      =1/2 of T.C/2 units/s=30/2=15hrs

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