If a pump takes 6 hoursto fill $$\frac{3}{7}th$$ of a huge tank then total time required to completely fill the tank in hours is
in question given that in 6 hours the tank is fill =Â $$\frac{3}{7}th$$Â
so the time required to fill the full tank =Â 6\$$\frac{3}{7}$$ hourÂ
                              = 14 hour AnswerÂ
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