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, th

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.	3 hrs 45 min
B.	4 hrs
C.	4 hrs 15 min
D.	5 hrs 35 min
Answer» B. 4 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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