Question

there are 15 taps connect to a tank some of which are filling and some emptying the filling tap can fill the tank in 30 minites the empty tank fill in 24 minutes if all the tap are opened the table is filled in 20 minutes state the number of empty tank
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Answer 1

Answer:

there are 15 taps connect to a tank some of which are filling and some emptying the filling tap can fill the tank in 30 minites the empty tank fill in 24 minutes if all the tap are opened the table is filled in 20 minutes state the number of empty tank

there are 15 taps connect to a tank some of which are filling and some emptying the filling tap can fill the tank in 30 minites the empty tank fill in 24 minutes if all the tap are opened the table is filled in 20 minutes state the number of empty tank