A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?

A tap can fill a tank in 6 hours. After half the tank is filled, three

1.	A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?
A.	hrs 15 min
B.	hrs 45 min
C.	hrs
D.	hrs 15 min
Answer» C. hrs

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A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?

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