Two pipes can fill a tank in 12 hours and 16 hours respectively. A third pipe ca

Question

Two pipes can fill a tank in 12 hours and 16 hours respectively. A third pipe can empty the tank in 30 hours. If all three pipes are opened and functions simultaneously, how much time will the tank take to be full?( in hours )

Options:

A . $$10\frac{4}{9}$$

B . $$9\frac{1}{2}$$

C . $$8\frac{8}{9}$$

D . $$7\frac{2}{9}$$

Answer: Option C

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