Question

A tank has 3 inlets A. B and C and 1 outlet D. C fills the tank twice as fast as A
and 3 times as fast as B. Also, the time taken to fill the tank by inlet C is 2 / 3rd of
the time taken by D to empty the tank, which is 18 mins. How much time (in
mins) will it take to fill the tank if all of them are open simultaneously ?​

Answer 1

Answer:

here is the answer

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