Question

Three taps A, B and C together can fill a water tank in 6 hours. After working at it together for 2 hours, C is closed and A and B fill it in 7 hours more. in how many hours will C alone take to fill the water tank?​

Answer 1

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Step-by-step explanation:

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Answer 2

Answer:

12 hours

Step-by-step explanation:

first (a,b,c)=6hours

after working together =(a, b, c) =2hours

then 6*2=12

C can alone do it in =12hours